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CVE-2026-25949

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:2fb340ad7b496ab4db0c839e760ce694bd3e674c7317a7451ebff517bb02c6a5
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"product":"traefik","vendor":"traefik","versions":[{"status":"affected","version":"< 3.6.8"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4ef19865ef19880c4b5ba2bef179d80b1620a0db0460196fb8a746eb2cb54e34 · sha256:15e2fdb74fff83f5… · /containers/cna/affected/0

{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:openshift_devspaces:3.27::el9"],"defaultStatus":"affected","packageName":"devspaces/traefik-rhel9","product":"Red Hat OpenShift Dev Spaces 3.27","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1774227265","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4ef19865ef19880c4b5ba2bef179d80b1620a0db0460196fb8a746eb2cb54e34 · sha256:15e2fdb74fff83f5… · /containers/adp/1/affected/0
cwe · 2 assertions

{"cweId":"CWE-400","description":"CWE-400: Uncontrolled Resource Consumption","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4ef19865ef19880c4b5ba2bef179d80b1620a0db0460196fb8a746eb2cb54e34 · sha256:15e2fdb74fff83f5… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-770","description":"Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4ef19865ef19880c4b5ba2bef179d80b1620a0db0460196fb8a746eb2cb54e34 · sha256:15e2fdb74fff83f5… · /containers/adp/1/problemTypes/0/descriptions/0

Affected products and versions

2 source assertions
{"product":"traefik","vendor":"traefik","versions":[{"status":"affected","version":"< 3.6.8"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4ef19865ef19880c4b5ba2bef179d80b1620a0db0460196fb8a746eb2cb54e34 · sha256:15e2fdb74fff83f5… · /containers/cna/affected/0
{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:openshift_devspaces:3.27::el9"],"defaultStatus":"affected","packageName":"devspaces/traefik-rhel9","product":"Red Hat OpenShift Dev Spaces 3.27","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1774227265","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4ef19865ef19880c4b5ba2bef179d80b1620a0db0460196fb8a746eb2cb54e34 · sha256:15e2fdb74fff83f5… · /containers/adp/1/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"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"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4ef19865ef19880c4b5ba2bef179d80b1620a0db0460196fb8a746eb2cb54e34 · sha256:15e2fdb74fff83f5… · /containers/cna/metrics/0/cvssV3_1
{"metric":{"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"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4ef19865ef19880c4b5ba2bef179d80b1620a0db0460196fb8a746eb2cb54e34 · sha256:15e2fdb74fff83f5… · /containers/adp/1/metrics/1/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-400","description":"CWE-400: Uncontrolled Resource Consumption","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4ef19865ef19880c4b5ba2bef179d80b1620a0db0460196fb8a746eb2cb54e34 · sha256:15e2fdb74fff83f5… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-770","description":"Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4ef19865ef19880c4b5ba2bef179d80b1620a0db0460196fb8a746eb2cb54e34 · sha256:15e2fdb74fff83f5… · /containers/adp/1/problemTypes/0/descriptions/0

Source references

7 source assertions
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:6192"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4ef19865ef19880c4b5ba2bef179d80b1620a0db0460196fb8a746eb2cb54e34 · sha256:15e2fdb74fff83f5… · /containers/adp/1/references/3
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-25949"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4ef19865ef19880c4b5ba2bef179d80b1620a0db0460196fb8a746eb2cb54e34 · sha256:15e2fdb74fff83f5… · /containers/adp/1/references/0
{"name":"RHBZ#2439522","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2439522"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4ef19865ef19880c4b5ba2bef179d80b1620a0db0460196fb8a746eb2cb54e34 · sha256:15e2fdb74fff83f5… · /containers/adp/1/references/1
{"name":"https://github.com/traefik/traefik/commit/31e566e9f1d7888ccb6fbc18bfed427203c35678","tags":["x_refsource_MISC"],"url":"https://github.com/traefik/traefik/commit/31e566e9f1d7888ccb6fbc18bfed427203c35678"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4ef19865ef19880c4b5ba2bef179d80b1620a0db0460196fb8a746eb2cb54e34 · sha256:15e2fdb74fff83f5… · /containers/cna/references/1
{"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"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4ef19865ef19880c4b5ba2bef179d80b1620a0db0460196fb8a746eb2cb54e34 · sha256:15e2fdb74fff83f5… · /containers/cna/references/2
{"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"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4ef19865ef19880c4b5ba2bef179d80b1620a0db0460196fb8a746eb2cb54e34 · sha256:15e2fdb74fff83f5… · /containers/cna/references/0
{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-25949.json"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4ef19865ef19880c4b5ba2bef179d80b1620a0db0460196fb8a746eb2cb54e34 · sha256:15e2fdb74fff83f5… · /containers/adp/1/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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