{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-25949","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-02-09T17:13:54.065Z","datePublished":"2026-02-12T20:01:19.600Z","dateUpdated":"2026-06-30T12:08:15.402Z"},"containers":{"cna":{"title":"Traefik: TCP readTimeout bypass via STARTTLS on Postgres","problemTypes":[{"descriptions":[{"cweId":"CWE-400","lang":"en","description":"CWE-400: Uncontrolled Resource Consumption","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"references":[{"name":"https://github.com/traefik/traefik/security/advisories/GHSA-89p3-4642-cr2w","tags":["x_refsource_CONFIRM"],"url":"https://github.com/traefik/traefik/security/advisories/GHSA-89p3-4642-cr2w"},{"name":"https://github.com/traefik/traefik/commit/31e566e9f1d7888ccb6fbc18bfed427203c35678","tags":["x_refsource_MISC"],"url":"https://github.com/traefik/traefik/commit/31e566e9f1d7888ccb6fbc18bfed427203c35678"},{"name":"https://github.com/traefik/traefik/releases/tag/v3.6.8","tags":["x_refsource_MISC"],"url":"https://github.com/traefik/traefik/releases/tag/v3.6.8"}],"affected":[{"vendor":"traefik","product":"traefik","versions":[{"version":"< 3.6.8","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-02-12T20:01:19.600Z"},"descriptions":[{"lang":"en","value":"Traefik is an HTTP reverse proxy and load balancer. Prior to 3.6.8, there is a potential vulnerability in Traefik managing STARTTLS requests. An unauthenticated client can bypass Traefik entrypoint respondingTimeouts.readTimeout by sending the 8-byte Postgres SSLRequest (STARTTLS) prelude and then stalling, causing connections to remain open indefinitely, leading to a denial of service. This vulnerability is fixed in 3.6.8."}],"source":{"advisory":"GHSA-89p3-4642-cr2w","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-12T20:47:57.313606Z","id":"CVE-2026-25949","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-02-12T21:16:17.659Z"}},{"affected":[{"cpes":["cpe:/a:redhat:openshift_devspaces:3.27::el9"],"defaultStatus":"affected","product":"Red Hat OpenShift Dev Spaces 3.27","vendor":"Red Hat"}],"datePublic":"2026-02-12T20:01:19.600Z","descriptions":[{"lang":"en","value":"A flaw was found in Traefik, an HTTP reverse proxy and load balancer. An unauthenticated client can exploit this vulnerability by sending a specific 8-byte Postgres SSLRequest (STARTTLS) prelude and then intentionally delaying further communication. This action bypasses Traefik's configured read timeouts, causing connections to remain open indefinitely. The primary consequence is a Denial of Service, as the server's resources become exhausted by these persistent, non-responsive connections."}],"metrics":[{"other":{"content":{"namespace":"https://access.redhat.com/security/updates/classification/","value":"Important"},"type":"Red Hat severity rating"}},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"format":"CVSS"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-770","description":"Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}]}],"references":[{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-25949"},{"name":"RHBZ#2439522","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2439522"},{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-25949.json"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:6192"}],"solutions":[{"lang":"en","value":"RHSA-2026:6192: Red Hat OpenShift Dev Spaces 3.27"}],"timeline":[{"lang":"en","time":"2026-02-12T21:01:13.761Z","value":"Reported to Red Hat."},{"lang":"en","time":"2026-02-12T20:01:19.600Z","value":"Made public."}],"title":"github.com/traefik/traefik: Traefik: Denial of Service via stalled STARTTLS requests","x_adpType":"supplier","x_generator":{"engine":"sadp-cli 1.0.0"},"providerMetadata":{"orgId":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","shortName":"redhat-SADP","dateUpdated":"2026-06-30T12:08:15.402Z"}}]}}