{"items":[{"id":"NVI-00010770","kind":"vulnerability","title":"undici WebSocket client vulnerable to denial of service via cumulative fragment bypass","revision":4,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-38rv-x7px-6hhq","CVE-2026-9675"],"plain_summary":"GitHub lists this reviewed advisory for undici. 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-2407b77ad2ecc1c7bdd1d3c03866d1a5"],"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":"2026-10-22T05:07:56.000Z","value":"7.5 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-f7192be890ca8c92e02574e30e4f7f8f"},{"kind":"CVSS","as_of":"2026-06-25T17:46:52.130Z","value":"7.5 HIGH (3.1)","meaning":"ce714d77-add3-4f53-aff5-83d477b104bb severity; no combined Null risk score.","source_id":"sr-026dd93f13629eb626d726ebbda55f6d"},{"kind":"EPSS","as_of":"2026-11-02T12:00:30.000Z","value":"0.426%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.36887. Missing scores are unknown.","source_id":"sr-2407b77ad2ecc1c7bdd1d3c03866d1a5"}],"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-f7192be890ca8c92e02574e30e4f7f8f","url":"https://github.com/advisories/GHSA-38rv-x7px-6hhq","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-38rv-x7px-6hhq","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:30.906Z"},{"id":"sr-026dd93f13629eb626d726ebbda55f6d","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-9675","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-9675","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-04T09:59:59.040Z"},{"id":"sr-2407b77ad2ecc1c7bdd1d3c03866d1a5","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-2026-9675","publisher":"FIRST EPSS","observed_at":"2026-11-02T20:17:01.148Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-f7192be890ca8c92e02574e30e4f7f8f"],"technology":"undici","known_exclusions":[],"conditions_summary":"## Impact\n\nThe undici WebSocket client enforces `maxPayloadSize` per-frame but does not enforce the cumulative size of fragmented uncompressed messages. A malicious WebSocket server can stream many small fragments that each pass per-frame validation but collectively exceed the configured limit, causing unbounded memory growth in the client process. The result is memory exhaustion and a denial of service.\n\nAffected applications are those using the undici WebSocket client (`new WebSocket(...)`) that can be induced to connect to an attacker-controlled or compromised WebSocket endpoint.\n\nThis is a regression specific to undici 8.1.0. The 6.25.0 line shipped the equivalent cumulative check from the start and is unaffected. The 7.x line never had the `maxPayloadSize` feature and is also unaffected.\n\n## Patches\n\nUpgrade to undici >= 8.5.0.\n\n## Workarounds\n\nNo workaround is available. The fix must be applied through an upgrade.","public_affected_ranges":[">= 8.0.0, < 8.5.0"]}],"null_published_at":"2026-11-07T14:01:58.745Z","source_updated_at":"2026-10-22T05:07:56.000Z","source_disclosed_at":"2026-06-18T14:28:10.000Z","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":"2026-10-31T22:07:30.906Z"},{"id":"NVI-00010770","kind":"vulnerability","title":"undici WebSocket client vulnerable to denial of service via cumulative fragment bypass","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-38rv-x7px-6hhq","CVE-2026-9675"],"plain_summary":"GitHub lists this reviewed advisory for undici. 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-1ef975ff9ee5b7d5d2af720df8a248de"],"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":"2026-10-22T05:07:56.000Z","value":"7.5 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-f7192be890ca8c92e02574e30e4f7f8f"},{"kind":"CVSS","as_of":"2026-06-25T17:46:52.130Z","value":"7.5 HIGH (3.1)","meaning":"ce714d77-add3-4f53-aff5-83d477b104bb severity; no combined Null risk score.","source_id":"sr-026dd93f13629eb626d726ebbda55f6d"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.426%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.36915. Missing scores are unknown.","source_id":"sr-1ef975ff9ee5b7d5d2af720df8a248de"}],"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-f7192be890ca8c92e02574e30e4f7f8f","url":"https://github.com/advisories/GHSA-38rv-x7px-6hhq","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-38rv-x7px-6hhq","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:30.906Z"},{"id":"sr-026dd93f13629eb626d726ebbda55f6d","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-9675","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-9675","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-04T09:59:59.040Z"},{"id":"sr-1ef975ff9ee5b7d5d2af720df8a248de","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-2026-9675","publisher":"FIRST EPSS","observed_at":"2026-10-31T23:13:27.702Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-f7192be890ca8c92e02574e30e4f7f8f"],"technology":"undici","known_exclusions":[],"conditions_summary":"## Impact\n\nThe undici WebSocket client enforces `maxPayloadSize` per-frame but does not enforce the cumulative size of fragmented uncompressed messages. A malicious WebSocket server can stream many small fragments that each pass per-frame validation but collectively exceed the configured limit, causing unbounded memory growth in the client process. The result is memory exhaustion and a denial of service.\n\nAffected applications are those using the undici WebSocket client (`new WebSocket(...)`) that can be induced to connect to an attacker-controlled or compromised WebSocket endpoint.\n\nThis is a regression specific to undici 8.1.0. The 6.25.0 line shipped the equivalent cumulative check from the start and is unaffected. The 7.x line never had the `maxPayloadSize` feature and is also unaffected.\n\n## Patches\n\nUpgrade to undici >= 8.5.0.\n\n## Workarounds\n\nNo workaround is available. The fix must be applied through an upgrade.","public_affected_ranges":[">= 8.0.0, < 8.5.0"]}],"null_published_at":"2026-11-04T10:04:35.895Z","source_updated_at":"2026-10-22T05:07:56.000Z","source_disclosed_at":"2026-06-18T14:28:10.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T22:07:30.906Z"},{"id":"NVI-00010770","kind":"vulnerability","title":"undici WebSocket client vulnerable to denial of service via cumulative fragment bypass","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-38rv-x7px-6hhq","CVE-2026-9675"],"plain_summary":"GitHub lists this reviewed advisory for undici. 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-1ef975ff9ee5b7d5d2af720df8a248de"],"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":"2026-10-22T05:07:56.000Z","value":"7.5 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-f7192be890ca8c92e02574e30e4f7f8f"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.426%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.36915. Missing scores are unknown.","source_id":"sr-1ef975ff9ee5b7d5d2af720df8a248de"}],"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-f7192be890ca8c92e02574e30e4f7f8f","url":"https://github.com/advisories/GHSA-38rv-x7px-6hhq","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-38rv-x7px-6hhq","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:30.906Z"},{"id":"sr-1ef975ff9ee5b7d5d2af720df8a248de","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-2026-9675","publisher":"FIRST EPSS","observed_at":"2026-10-31T23:13:27.702Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-f7192be890ca8c92e02574e30e4f7f8f"],"technology":"undici","known_exclusions":[],"conditions_summary":"## Impact\n\nThe undici WebSocket client enforces `maxPayloadSize` per-frame but does not enforce the cumulative size of fragmented uncompressed messages. A malicious WebSocket server can stream many small fragments that each pass per-frame validation but collectively exceed the configured limit, causing unbounded memory growth in the client process. The result is memory exhaustion and a denial of service.\n\nAffected applications are those using the undici WebSocket client (`new WebSocket(...)`) that can be induced to connect to an attacker-controlled or compromised WebSocket endpoint.\n\nThis is a regression specific to undici 8.1.0. The 6.25.0 line shipped the equivalent cumulative check from the start and is unaffected. The 7.x line never had the `maxPayloadSize` feature and is also unaffected.\n\n## Patches\n\nUpgrade to undici >= 8.5.0.\n\n## Workarounds\n\nNo workaround is available. The fix must be applied through an upgrade.","public_affected_ranges":[">= 8.0.0, < 8.5.0"]}],"null_published_at":"2026-10-31T23:18:22.441Z","source_updated_at":"2026-10-22T05:07:56.000Z","source_disclosed_at":"2026-06-18T14:28:10.000Z","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":"2026-10-31T22:07:30.906Z"},{"id":"NVI-00010770","kind":"vulnerability","title":"undici WebSocket client vulnerable to denial of service via cumulative fragment bypass","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-38rv-x7px-6hhq","CVE-2026-9675"],"plain_summary":"GitHub lists this reviewed advisory for undici. 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-f7192be890ca8c92e02574e30e4f7f8f"],"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":"2026-10-22T05:07:56.000Z","value":"7.5 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-f7192be890ca8c92e02574e30e4f7f8f"}],"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-f7192be890ca8c92e02574e30e4f7f8f","url":"https://github.com/advisories/GHSA-38rv-x7px-6hhq","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-38rv-x7px-6hhq","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:30.906Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-f7192be890ca8c92e02574e30e4f7f8f"],"technology":"undici","known_exclusions":[],"conditions_summary":"## Impact\n\nThe undici WebSocket client enforces `maxPayloadSize` per-frame but does not enforce the cumulative size of fragmented uncompressed messages. A malicious WebSocket server can stream many small fragments that each pass per-frame validation but collectively exceed the configured limit, causing unbounded memory growth in the client process. The result is memory exhaustion and a denial of service.\n\nAffected applications are those using the undici WebSocket client (`new WebSocket(...)`) that can be induced to connect to an attacker-controlled or compromised WebSocket endpoint.\n\nThis is a regression specific to undici 8.1.0. The 6.25.0 line shipped the equivalent cumulative check from the start and is unaffected. The 7.x line never had the `maxPayloadSize` feature and is also unaffected.\n\n## Patches\n\nUpgrade to undici >= 8.5.0.\n\n## Workarounds\n\nNo workaround is available. The fix must be applied through an upgrade.","public_affected_ranges":[">= 8.0.0, < 8.5.0"]}],"null_published_at":"2026-10-31T22:27:12.381Z","source_updated_at":"2026-10-22T05:07:56.000Z","source_disclosed_at":"2026-06-18T14:28:10.000Z","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":"2026-10-31T22:07:30.906Z"}],"next_cursor":null,"snapshot_revision":"42594"}