{"items":[{"id":"NVI-00013197","kind":"vulnerability","title":"Cilium: Namespaced HTTPRoutes can redirect traffic to other namespaces","revision":4,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-w7c2-w76w-5hmj","CVE-2026-56742"],"plain_summary":"GitHub lists this reviewed advisory for github.com/cilium/cilium, github.com/cilium/ciliumCilium, github.com/cilium/cilium. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-05f2509ad64da83b09299c075d017172"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-09-24T19:38:41.000Z","value":"5.9 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-8c1a98f1982626a4164781f8e0054b53"},{"kind":"EPSS","as_of":"2026-11-04T12:03:12.000Z","value":"0.176%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.07116. Missing scores are unknown.","source_id":"sr-05f2509ad64da83b09299c075d017172"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-8c1a98f1982626a4164781f8e0054b53","url":"https://github.com/advisories/GHSA-w7c2-w76w-5hmj","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-w7c2-w76w-5hmj","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T07:24:52.155Z"},{"id":"sr-05f2509ad64da83b09299c075d017172","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-56742","publisher":"FIRST EPSS","observed_at":"2026-11-04T23:33:33.051Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-8c1a98f1982626a4164781f8e0054b53"],"technology":"github.com/cilium/cilium","known_exclusions":[],"conditions_summary":"### Impact\n\nIn Cilium clusters using Gateway API, users with permissions to create or update namespaced HTTPRoutes can mirror HTTP traffic to any Service in any namespace, bypassing the ReferenceGrant authorization mechanism.\n\nGateway API functionality is disabled by default.\n\n### Patches\n\nThis issue affects:\n\n* Cilium v1.19 from v1.19.0 to v1.19.4 inclusive\n* Cilium v1.18 from v1.18.0 to v1.18.10 inclusive\n* All versions of Cilium before v1.17.17\n\nThis issue is patched in:\n\n* Cilium v1.19.5\n* Cilium v1.18.11\n* Cilium v1.17.17\n\n### Workarounds\n\nThere is no workaround to this issue. Users of this feature who are unable to upgrade can mitigate the risk by ensuring that RBAC permissions to create `HTTPRoute` objects are only granted to cluster admins.\n\n### Acknowledgements\n\nThe Cilium community has worked together with members of Isovalent to prepare these mitigations. Special thanks to @galanko for reporting the issue and @mhofstetter for their work on triaging and remediating this issue.\n\n### For more information\n\nIf you have any questions or comments about this advisory, please reach out on [Slack](htt","public_affected_ranges":["< 1.17.17"]},{"certainty":"source_listed","source_ids":["sr-8c1a98f1982626a4164781f8e0054b53"],"technology":"github.com/cilium/ciliumCilium","known_exclusions":[],"conditions_summary":"### Impact\n\nIn Cilium clusters using Gateway API, users with permissions to create or update namespaced HTTPRoutes can mirror HTTP traffic to any Service in any namespace, bypassing the ReferenceGrant authorization mechanism.\n\nGateway API functionality is disabled by default.\n\n### Patches\n\nThis issue affects:\n\n* Cilium v1.19 from v1.19.0 to v1.19.4 inclusive\n* Cilium v1.18 from v1.18.0 to v1.18.10 inclusive\n* All versions of Cilium before v1.17.17\n\nThis issue is patched in:\n\n* Cilium v1.19.5\n* Cilium v1.18.11\n* Cilium v1.17.17\n\n### Workarounds\n\nThere is no workaround to this issue. Users of this feature who are unable to upgrade can mitigate the risk by ensuring that RBAC permissions to create `HTTPRoute` objects are only granted to cluster admins.\n\n### Acknowledgements\n\nThe Cilium community has worked together with members of Isovalent to prepare these mitigations. Special thanks to @galanko for reporting the issue and @mhofstetter for their work on triaging and remediating this issue.\n\n### For more information\n\nIf you have any questions or comments about this advisory, please reach out on [Slack](htt","public_affected_ranges":[">= 1.18.0, < 1.18.11"]},{"certainty":"source_listed","source_ids":["sr-8c1a98f1982626a4164781f8e0054b53"],"technology":"github.com/cilium/cilium","known_exclusions":[],"conditions_summary":"### Impact\n\nIn Cilium clusters using Gateway API, users with permissions to create or update namespaced HTTPRoutes can mirror HTTP traffic to any Service in any namespace, bypassing the ReferenceGrant authorization mechanism.\n\nGateway API functionality is disabled by default.\n\n### Patches\n\nThis issue affects:\n\n* Cilium v1.19 from v1.19.0 to v1.19.4 inclusive\n* Cilium v1.18 from v1.18.0 to v1.18.10 inclusive\n* All versions of Cilium before v1.17.17\n\nThis issue is patched in:\n\n* Cilium v1.19.5\n* Cilium v1.18.11\n* Cilium v1.17.17\n\n### Workarounds\n\nThere is no workaround to this issue. Users of this feature who are unable to upgrade can mitigate the risk by ensuring that RBAC permissions to create `HTTPRoute` objects are only granted to cluster admins.\n\n### Acknowledgements\n\nThe Cilium community has worked together with members of Isovalent to prepare these mitigations. Special thanks to @galanko for reporting the issue and @mhofstetter for their work on triaging and remediating this issue.\n\n### For more information\n\nIf you have any questions or comments about this advisory, please reach out on [Slack](htt","public_affected_ranges":[">= 1.19.0, < 1.19.5"]}],"null_published_at":"2026-11-06T07:24:11.261Z","source_updated_at":"2026-09-24T19:38:41.000Z","source_disclosed_at":"2026-09-24T19:38:39.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-11-01T07:24:52.155Z"},{"id":"NVI-00013197","kind":"vulnerability","title":"Cilium: Namespaced HTTPRoutes can redirect traffic to other namespaces","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-w7c2-w76w-5hmj","CVE-2026-56742"],"plain_summary":"GitHub lists this reviewed advisory for github.com/cilium/cilium, github.com/cilium/ciliumCilium, github.com/cilium/cilium. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-083ed16c62e6b1dc10bc6a4600adbb25"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-09-24T19:38:41.000Z","value":"5.9 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-8c1a98f1982626a4164781f8e0054b53"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.176%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.07099. Missing scores are unknown.","source_id":"sr-083ed16c62e6b1dc10bc6a4600adbb25"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-8c1a98f1982626a4164781f8e0054b53","url":"https://github.com/advisories/GHSA-w7c2-w76w-5hmj","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-w7c2-w76w-5hmj","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T07:24:52.155Z"},{"id":"sr-083ed16c62e6b1dc10bc6a4600adbb25","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-56742","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:44:07.789Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-8c1a98f1982626a4164781f8e0054b53"],"technology":"github.com/cilium/cilium","known_exclusions":[],"conditions_summary":"### Impact\n\nIn Cilium clusters using Gateway API, users with permissions to create or update namespaced HTTPRoutes can mirror HTTP traffic to any Service in any namespace, bypassing the ReferenceGrant authorization mechanism.\n\nGateway API functionality is disabled by default.\n\n### Patches\n\nThis issue affects:\n\n* Cilium v1.19 from v1.19.0 to v1.19.4 inclusive\n* Cilium v1.18 from v1.18.0 to v1.18.10 inclusive\n* All versions of Cilium before v1.17.17\n\nThis issue is patched in:\n\n* Cilium v1.19.5\n* Cilium v1.18.11\n* Cilium v1.17.17\n\n### Workarounds\n\nThere is no workaround to this issue. Users of this feature who are unable to upgrade can mitigate the risk by ensuring that RBAC permissions to create `HTTPRoute` objects are only granted to cluster admins.\n\n### Acknowledgements\n\nThe Cilium community has worked together with members of Isovalent to prepare these mitigations. Special thanks to @galanko for reporting the issue and @mhofstetter for their work on triaging and remediating this issue.\n\n### For more information\n\nIf you have any questions or comments about this advisory, please reach out on [Slack](htt","public_affected_ranges":["< 1.17.17"]},{"certainty":"source_listed","source_ids":["sr-8c1a98f1982626a4164781f8e0054b53"],"technology":"github.com/cilium/ciliumCilium","known_exclusions":[],"conditions_summary":"### Impact\n\nIn Cilium clusters using Gateway API, users with permissions to create or update namespaced HTTPRoutes can mirror HTTP traffic to any Service in any namespace, bypassing the ReferenceGrant authorization mechanism.\n\nGateway API functionality is disabled by default.\n\n### Patches\n\nThis issue affects:\n\n* Cilium v1.19 from v1.19.0 to v1.19.4 inclusive\n* Cilium v1.18 from v1.18.0 to v1.18.10 inclusive\n* All versions of Cilium before v1.17.17\n\nThis issue is patched in:\n\n* Cilium v1.19.5\n* Cilium v1.18.11\n* Cilium v1.17.17\n\n### Workarounds\n\nThere is no workaround to this issue. Users of this feature who are unable to upgrade can mitigate the risk by ensuring that RBAC permissions to create `HTTPRoute` objects are only granted to cluster admins.\n\n### Acknowledgements\n\nThe Cilium community has worked together with members of Isovalent to prepare these mitigations. Special thanks to @galanko for reporting the issue and @mhofstetter for their work on triaging and remediating this issue.\n\n### For more information\n\nIf you have any questions or comments about this advisory, please reach out on [Slack](htt","public_affected_ranges":[">= 1.18.0, < 1.18.11"]},{"certainty":"source_listed","source_ids":["sr-8c1a98f1982626a4164781f8e0054b53"],"technology":"github.com/cilium/cilium","known_exclusions":[],"conditions_summary":"### Impact\n\nIn Cilium clusters using Gateway API, users with permissions to create or update namespaced HTTPRoutes can mirror HTTP traffic to any Service in any namespace, bypassing the ReferenceGrant authorization mechanism.\n\nGateway API functionality is disabled by default.\n\n### Patches\n\nThis issue affects:\n\n* Cilium v1.19 from v1.19.0 to v1.19.4 inclusive\n* Cilium v1.18 from v1.18.0 to v1.18.10 inclusive\n* All versions of Cilium before v1.17.17\n\nThis issue is patched in:\n\n* Cilium v1.19.5\n* Cilium v1.18.11\n* Cilium v1.17.17\n\n### Workarounds\n\nThere is no workaround to this issue. Users of this feature who are unable to upgrade can mitigate the risk by ensuring that RBAC permissions to create `HTTPRoute` objects are only granted to cluster admins.\n\n### Acknowledgements\n\nThe Cilium community has worked together with members of Isovalent to prepare these mitigations. Special thanks to @galanko for reporting the issue and @mhofstetter for their work on triaging and remediating this issue.\n\n### For more information\n\nIf you have any questions or comments about this advisory, please reach out on [Slack](htt","public_affected_ranges":[">= 1.19.0, < 1.19.5"]}],"null_published_at":"2026-11-04T10:04:41.558Z","source_updated_at":"2026-09-24T19:38:41.000Z","source_disclosed_at":"2026-09-24T19:38:39.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-11-01T07:24:52.155Z"},{"id":"NVI-00013197","kind":"vulnerability","title":"Cilium: Namespaced HTTPRoutes can redirect traffic to other namespaces","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-w7c2-w76w-5hmj","CVE-2026-56742"],"plain_summary":"GitHub lists this reviewed advisory for github.com/cilium/cilium, github.com/cilium/ciliumCilium, github.com/cilium/cilium. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-07785608c2312b99f5905eaf32121697"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-09-24T19:38:41.000Z","value":"5.9 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-8c1a98f1982626a4164781f8e0054b53"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.176%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.07055. Missing scores are unknown.","source_id":"sr-07785608c2312b99f5905eaf32121697"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-8c1a98f1982626a4164781f8e0054b53","url":"https://github.com/advisories/GHSA-w7c2-w76w-5hmj","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-w7c2-w76w-5hmj","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T07:24:52.155Z"},{"id":"sr-07785608c2312b99f5905eaf32121697","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-56742","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.283Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-8c1a98f1982626a4164781f8e0054b53"],"technology":"github.com/cilium/cilium","known_exclusions":[],"conditions_summary":"### Impact\n\nIn Cilium clusters using Gateway API, users with permissions to create or update namespaced HTTPRoutes can mirror HTTP traffic to any Service in any namespace, bypassing the ReferenceGrant authorization mechanism.\n\nGateway API functionality is disabled by default.\n\n### Patches\n\nThis issue affects:\n\n* Cilium v1.19 from v1.19.0 to v1.19.4 inclusive\n* Cilium v1.18 from v1.18.0 to v1.18.10 inclusive\n* All versions of Cilium before v1.17.17\n\nThis issue is patched in:\n\n* Cilium v1.19.5\n* Cilium v1.18.11\n* Cilium v1.17.17\n\n### Workarounds\n\nThere is no workaround to this issue. Users of this feature who are unable to upgrade can mitigate the risk by ensuring that RBAC permissions to create `HTTPRoute` objects are only granted to cluster admins.\n\n### Acknowledgements\n\nThe Cilium community has worked together with members of Isovalent to prepare these mitigations. Special thanks to @galanko for reporting the issue and @mhofstetter for their work on triaging and remediating this issue.\n\n### For more information\n\nIf you have any questions or comments about this advisory, please reach out on [Slack](htt","public_affected_ranges":["< 1.17.17"]},{"certainty":"source_listed","source_ids":["sr-8c1a98f1982626a4164781f8e0054b53"],"technology":"github.com/cilium/ciliumCilium","known_exclusions":[],"conditions_summary":"### Impact\n\nIn Cilium clusters using Gateway API, users with permissions to create or update namespaced HTTPRoutes can mirror HTTP traffic to any Service in any namespace, bypassing the ReferenceGrant authorization mechanism.\n\nGateway API functionality is disabled by default.\n\n### Patches\n\nThis issue affects:\n\n* Cilium v1.19 from v1.19.0 to v1.19.4 inclusive\n* Cilium v1.18 from v1.18.0 to v1.18.10 inclusive\n* All versions of Cilium before v1.17.17\n\nThis issue is patched in:\n\n* Cilium v1.19.5\n* Cilium v1.18.11\n* Cilium v1.17.17\n\n### Workarounds\n\nThere is no workaround to this issue. Users of this feature who are unable to upgrade can mitigate the risk by ensuring that RBAC permissions to create `HTTPRoute` objects are only granted to cluster admins.\n\n### Acknowledgements\n\nThe Cilium community has worked together with members of Isovalent to prepare these mitigations. Special thanks to @galanko for reporting the issue and @mhofstetter for their work on triaging and remediating this issue.\n\n### For more information\n\nIf you have any questions or comments about this advisory, please reach out on [Slack](htt","public_affected_ranges":[">= 1.18.0, < 1.18.11"]},{"certainty":"source_listed","source_ids":["sr-8c1a98f1982626a4164781f8e0054b53"],"technology":"github.com/cilium/cilium","known_exclusions":[],"conditions_summary":"### Impact\n\nIn Cilium clusters using Gateway API, users with permissions to create or update namespaced HTTPRoutes can mirror HTTP traffic to any Service in any namespace, bypassing the ReferenceGrant authorization mechanism.\n\nGateway API functionality is disabled by default.\n\n### Patches\n\nThis issue affects:\n\n* Cilium v1.19 from v1.19.0 to v1.19.4 inclusive\n* Cilium v1.18 from v1.18.0 to v1.18.10 inclusive\n* All versions of Cilium before v1.17.17\n\nThis issue is patched in:\n\n* Cilium v1.19.5\n* Cilium v1.18.11\n* Cilium v1.17.17\n\n### Workarounds\n\nThere is no workaround to this issue. Users of this feature who are unable to upgrade can mitigate the risk by ensuring that RBAC permissions to create `HTTPRoute` objects are only granted to cluster admins.\n\n### Acknowledgements\n\nThe Cilium community has worked together with members of Isovalent to prepare these mitigations. Special thanks to @galanko for reporting the issue and @mhofstetter for their work on triaging and remediating this issue.\n\n### For more information\n\nIf you have any questions or comments about this advisory, please reach out on [Slack](htt","public_affected_ranges":[">= 1.19.0, < 1.19.5"]}],"null_published_at":"2026-11-02T20:21:07.828Z","source_updated_at":"2026-09-24T19:38:41.000Z","source_disclosed_at":"2026-09-24T19:38:39.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-11-01T07:24:52.155Z"},{"id":"NVI-00013197","kind":"vulnerability","title":"Cilium: Namespaced HTTPRoutes can redirect traffic to other namespaces","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-w7c2-w76w-5hmj","CVE-2026-56742"],"plain_summary":"GitHub lists this reviewed advisory for github.com/cilium/cilium, github.com/cilium/ciliumCilium, github.com/cilium/cilium. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-8c1a98f1982626a4164781f8e0054b53"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-09-24T19:38:41.000Z","value":"5.9 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-8c1a98f1982626a4164781f8e0054b53"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-8c1a98f1982626a4164781f8e0054b53","url":"https://github.com/advisories/GHSA-w7c2-w76w-5hmj","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-w7c2-w76w-5hmj","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T07:24:52.155Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-8c1a98f1982626a4164781f8e0054b53"],"technology":"github.com/cilium/cilium","known_exclusions":[],"conditions_summary":"### Impact\n\nIn Cilium clusters using Gateway API, users with permissions to create or update namespaced HTTPRoutes can mirror HTTP traffic to any Service in any namespace, bypassing the ReferenceGrant authorization mechanism.\n\nGateway API functionality is disabled by default.\n\n### Patches\n\nThis issue affects:\n\n* Cilium v1.19 from v1.19.0 to v1.19.4 inclusive\n* Cilium v1.18 from v1.18.0 to v1.18.10 inclusive\n* All versions of Cilium before v1.17.17\n\nThis issue is patched in:\n\n* Cilium v1.19.5\n* Cilium v1.18.11\n* Cilium v1.17.17\n\n### Workarounds\n\nThere is no workaround to this issue. Users of this feature who are unable to upgrade can mitigate the risk by ensuring that RBAC permissions to create `HTTPRoute` objects are only granted to cluster admins.\n\n### Acknowledgements\n\nThe Cilium community has worked together with members of Isovalent to prepare these mitigations. Special thanks to @galanko for reporting the issue and @mhofstetter for their work on triaging and remediating this issue.\n\n### For more information\n\nIf you have any questions or comments about this advisory, please reach out on [Slack](htt","public_affected_ranges":["< 1.17.17"]},{"certainty":"source_listed","source_ids":["sr-8c1a98f1982626a4164781f8e0054b53"],"technology":"github.com/cilium/ciliumCilium","known_exclusions":[],"conditions_summary":"### Impact\n\nIn Cilium clusters using Gateway API, users with permissions to create or update namespaced HTTPRoutes can mirror HTTP traffic to any Service in any namespace, bypassing the ReferenceGrant authorization mechanism.\n\nGateway API functionality is disabled by default.\n\n### Patches\n\nThis issue affects:\n\n* Cilium v1.19 from v1.19.0 to v1.19.4 inclusive\n* Cilium v1.18 from v1.18.0 to v1.18.10 inclusive\n* All versions of Cilium before v1.17.17\n\nThis issue is patched in:\n\n* Cilium v1.19.5\n* Cilium v1.18.11\n* Cilium v1.17.17\n\n### Workarounds\n\nThere is no workaround to this issue. Users of this feature who are unable to upgrade can mitigate the risk by ensuring that RBAC permissions to create `HTTPRoute` objects are only granted to cluster admins.\n\n### Acknowledgements\n\nThe Cilium community has worked together with members of Isovalent to prepare these mitigations. Special thanks to @galanko for reporting the issue and @mhofstetter for their work on triaging and remediating this issue.\n\n### For more information\n\nIf you have any questions or comments about this advisory, please reach out on [Slack](htt","public_affected_ranges":[">= 1.18.0, < 1.18.11"]},{"certainty":"source_listed","source_ids":["sr-8c1a98f1982626a4164781f8e0054b53"],"technology":"github.com/cilium/cilium","known_exclusions":[],"conditions_summary":"### Impact\n\nIn Cilium clusters using Gateway API, users with permissions to create or update namespaced HTTPRoutes can mirror HTTP traffic to any Service in any namespace, bypassing the ReferenceGrant authorization mechanism.\n\nGateway API functionality is disabled by default.\n\n### Patches\n\nThis issue affects:\n\n* Cilium v1.19 from v1.19.0 to v1.19.4 inclusive\n* Cilium v1.18 from v1.18.0 to v1.18.10 inclusive\n* All versions of Cilium before v1.17.17\n\nThis issue is patched in:\n\n* Cilium v1.19.5\n* Cilium v1.18.11\n* Cilium v1.17.17\n\n### Workarounds\n\nThere is no workaround to this issue. Users of this feature who are unable to upgrade can mitigate the risk by ensuring that RBAC permissions to create `HTTPRoute` objects are only granted to cluster admins.\n\n### Acknowledgements\n\nThe Cilium community has worked together with members of Isovalent to prepare these mitigations. Special thanks to @galanko for reporting the issue and @mhofstetter for their work on triaging and remediating this issue.\n\n### For more information\n\nIf you have any questions or comments about this advisory, please reach out on [Slack](htt","public_affected_ranges":[">= 1.19.0, < 1.19.5"]}],"null_published_at":"2026-11-01T07:29:12.928Z","source_updated_at":"2026-09-24T19:38:41.000Z","source_disclosed_at":"2026-09-24T19:38:39.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-01T07:24:52.155Z"}],"next_cursor":null,"snapshot_revision":"42594"}