{"items":[{"id":"NVI-00011878","kind":"vulnerability","title":"External Secrets Operator: label enforcement bypass in webhook generator enables secret exfiltration","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-q7hv-xx6h-q2x8","CVE-2026-26287"],"plain_summary":"GitHub lists this reviewed advisory for github.com/external-secrets/external-secrets. 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-14a416aa96929b6f8870c9119fffc128"],"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":"2026-10-06T15:29:26.000Z","value":"7.1 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-4d799c9b00f3df9298c43376087a87d3"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.244%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.15697. Missing scores are unknown.","source_id":"sr-14a416aa96929b6f8870c9119fffc128"}],"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-4d799c9b00f3df9298c43376087a87d3","url":"https://github.com/advisories/GHSA-q7hv-xx6h-q2x8","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-q7hv-xx6h-q2x8","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:59:16.959Z"},{"id":"sr-14a416aa96929b6f8870c9119fffc128","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-2026-26287","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.271Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4d799c9b00f3df9298c43376087a87d3"],"technology":"github.com/external-secrets/external-secrets","known_exclusions":[],"conditions_summary":"## Summary\nA bug in the `webhook` generator initialization order incorrectly cleared the label-enforcement flag (`EnforceLabels`) after it was set, resulting in the provider-side check for `external-secrets.io/type=webhook` being skipped (and the operation to succeed while it should have failed with `secret does not contain needed label 'external-secrets.io/type: webhook'. Update secret label to use it with webhook`.\n\n## Impact\nA user with the permission to create webhook generator can set the webhook generator to a victim' secret (which was not previously labelled for webhook's use), and exfiltrate it to a malicious URL.\n\n## Mitigations\nUntil you upgrade, you can reduce risk by:\n- disabling webhook generators if not needed (or denying `generators.external-secrets.io/v1alpha1` `Webhook` via an admission policy);\n- restricting RBAC: limit who can create generators of kind `Webhook`;\n- enforcing an admission policy (OPA Gatekeeper / Kyverno) requiring referenced secrets to be labeled `external-secrets.io/type=webhook`;\n- restricting egress from external-secrets controller pods to an allowlist (kubernetes `NetworkPolicy` / service mesh egress policy).\n\n## References\n- PR #5901 (fix: w","public_affected_ranges":[">= 0.10.0, < 1.3.2"]}],"null_published_at":"2026-11-03T17:49:18.484Z","source_updated_at":"2026-10-06T15:29:26.000Z","source_disclosed_at":"2026-10-06T15:29:25.000Z","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":"2026-11-01T00:59:16.959Z"},{"id":"NVI-00011878","kind":"vulnerability","title":"External Secrets Operator: label enforcement bypass in webhook generator enables secret exfiltration","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-q7hv-xx6h-q2x8","CVE-2026-26287"],"plain_summary":"GitHub lists this reviewed advisory for github.com/external-secrets/external-secrets. 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-08855ace87aee1b25545bd659636bf8e"],"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":"2026-10-06T15:29:26.000Z","value":"7.1 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-4d799c9b00f3df9298c43376087a87d3"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.244%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.15702. Missing scores are unknown.","source_id":"sr-08855ace87aee1b25545bd659636bf8e"}],"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-4d799c9b00f3df9298c43376087a87d3","url":"https://github.com/advisories/GHSA-q7hv-xx6h-q2x8","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-q7hv-xx6h-q2x8","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:59:16.959Z"},{"id":"sr-08855ace87aee1b25545bd659636bf8e","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-2026-26287","publisher":"FIRST EPSS","observed_at":"2026-11-01T01:39:43.073Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4d799c9b00f3df9298c43376087a87d3"],"technology":"github.com/external-secrets/external-secrets","known_exclusions":[],"conditions_summary":"## Summary\nA bug in the `webhook` generator initialization order incorrectly cleared the label-enforcement flag (`EnforceLabels`) after it was set, resulting in the provider-side check for `external-secrets.io/type=webhook` being skipped (and the operation to succeed while it should have failed with `secret does not contain needed label 'external-secrets.io/type: webhook'. Update secret label to use it with webhook`.\n\n## Impact\nA user with the permission to create webhook generator can set the webhook generator to a victim' secret (which was not previously labelled for webhook's use), and exfiltrate it to a malicious URL.\n\n## Mitigations\nUntil you upgrade, you can reduce risk by:\n- disabling webhook generators if not needed (or denying `generators.external-secrets.io/v1alpha1` `Webhook` via an admission policy);\n- restricting RBAC: limit who can create generators of kind `Webhook`;\n- enforcing an admission policy (OPA Gatekeeper / Kyverno) requiring referenced secrets to be labeled `external-secrets.io/type=webhook`;\n- restricting egress from external-secrets controller pods to an allowlist (kubernetes `NetworkPolicy` / service mesh egress policy).\n\n## References\n- PR #5901 (fix: w","public_affected_ranges":[">= 0.10.0, < 1.3.2"]}],"null_published_at":"2026-11-01T14:34:14.095Z","source_updated_at":"2026-10-06T15:29:26.000Z","source_disclosed_at":"2026-10-06T15:29:25.000Z","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":"2026-11-01T00:59:16.959Z"},{"id":"NVI-00011878","kind":"vulnerability","title":"External Secrets Operator: label enforcement bypass in webhook generator enables secret exfiltration","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-q7hv-xx6h-q2x8","CVE-2026-26287"],"plain_summary":"GitHub lists this reviewed advisory for github.com/external-secrets/external-secrets. 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-4d799c9b00f3df9298c43376087a87d3"],"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":"2026-10-06T15:29:26.000Z","value":"7.1 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-4d799c9b00f3df9298c43376087a87d3"}],"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-4d799c9b00f3df9298c43376087a87d3","url":"https://github.com/advisories/GHSA-q7hv-xx6h-q2x8","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-q7hv-xx6h-q2x8","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:59:16.959Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4d799c9b00f3df9298c43376087a87d3"],"technology":"github.com/external-secrets/external-secrets","known_exclusions":[],"conditions_summary":"## Summary\nA bug in the `webhook` generator initialization order incorrectly cleared the label-enforcement flag (`EnforceLabels`) after it was set, resulting in the provider-side check for `external-secrets.io/type=webhook` being skipped (and the operation to succeed while it should have failed with `secret does not contain needed label 'external-secrets.io/type: webhook'. Update secret label to use it with webhook`.\n\n## Impact\nA user with the permission to create webhook generator can set the webhook generator to a victim' secret (which was not previously labelled for webhook's use), and exfiltrate it to a malicious URL.\n\n## Mitigations\nUntil you upgrade, you can reduce risk by:\n- disabling webhook generators if not needed (or denying `generators.external-secrets.io/v1alpha1` `Webhook` via an admission policy);\n- restricting RBAC: limit who can create generators of kind `Webhook`;\n- enforcing an admission policy (OPA Gatekeeper / Kyverno) requiring referenced secrets to be labeled `external-secrets.io/type=webhook`;\n- restricting egress from external-secrets controller pods to an allowlist (kubernetes `NetworkPolicy` / service mesh egress policy).\n\n## References\n- PR #5901 (fix: w","public_affected_ranges":[">= 0.10.0, < 1.3.2"]}],"null_published_at":"2026-11-01T01:03:56.612Z","source_updated_at":"2026-10-06T15:29:26.000Z","source_disclosed_at":"2026-10-06T15:29:25.000Z","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":"2026-11-01T00:59:16.959Z"}],"next_cursor":null,"snapshot_revision":"42594"}