Review reviewHigh

CVE-2026-25949

traefik traefik, Red Hat OpenShift Dev Spaces 3.27

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.

CVSS: 7.5
EPSS: 0.71%
CISA KEV: Not listed
Published: 2026.02.13

PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability0.71%

Technical severityCVSS 7.5

Vulnerability overview

Affected product and versions

Product: traefik traefik, Red Hat OpenShift Dev Spaces 3.27
Affected versions: >= < 3.6.8, < 3.6.8
Fixed versions: 3.6.8

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that traefik traefik, Red Hat OpenShift Dev Spaces 3.27 and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE: CWE-400, CWE-770