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CVE Vulnerability Details :
CVE-2026-25949
PUBLISHED
More InfoOfficial Page
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
View Known Exploited Vulnerability (KEV) details
Published At-12 Feb, 2026 | 20:01
Updated At-12 Feb, 2026 | 21:16
Rejected At-
▼CVE Numbering Authority (CNA)
Traefik: TCP readTimeout bypass via STARTTLS on Postgres

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.

Affected Products
Vendor
traefik
Product
traefik
Versions
Affected
  • < 3.6.8
Problem Types
TypeCWE IDDescription
CWECWE-400CWE-400: Uncontrolled Resource Consumption
Type: CWE
CWE ID: CWE-400
Description: CWE-400: Uncontrolled Resource Consumption
Metrics
VersionBase scoreBase severityVector
3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/traefik/traefik/security/advisories/GHSA-89p3-4642-cr2w
x_refsource_CONFIRM
https://github.com/traefik/traefik/commit/31e566e9f1d7888ccb6fbc18bfed427203c35678
x_refsource_MISC
https://github.com/traefik/traefik/releases/tag/v3.6.8
x_refsource_MISC
Hyperlink: https://github.com/traefik/traefik/security/advisories/GHSA-89p3-4642-cr2w
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/traefik/traefik/commit/31e566e9f1d7888ccb6fbc18bfed427203c35678
Resource:
x_refsource_MISC
Hyperlink: https://github.com/traefik/traefik/releases/tag/v3.6.8
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found