CVE-2026-35051Disclosure(traefik / traefik)

LOWCVSS 10.0 · CRITICAL

Signal is active with 4 mentions in latest observed window

Immediate actions

  • Patch traefik traefik systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.43, 3.6.14, and 3.7.0-rc.2, there is an authentication bypass vulnerability in Traefik's ForwardAuth middleware when trustForwardHeader=false is configured and Traefik is deployed behind a trusted upstream proxy. This issue has been patched in versions 2.11.43, 3.6.14, and 3.7.0-rc.2.

0.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-345CWE-501

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • traefik

Threat summary

  • Patch or workaround signal is available
  • 7 mentions across 3 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 6 signals
  • Disclosure: 3 classified signals
  • General: 3 classified signals
  • Peaked at 4 mentions on most recent observed day (2026-05-12)
  • 7 total mentions across 3 days

Affected systems

Vendors
Products
traefik

1 version affected across 1 product

Deep dive

Activity timeline7 mentions / 3d
01234Mentions · 2026-04-30: 1Mentions · 2026-05-01: 2Mentions · 2026-05-12: 4Patch / Workaround · 2026-05-01: 1Technical Details · 2026-04-30: 1Technical Details · 2026-05-01: 2Technical Details · 2026-05-12: 304-3005-0105-12
Signal classification3 categories
Disclosure
342.9%
General
342.9%
Patch
114.3%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-04-301
Disclosure1
2026-05-012
Disclosure1Patch1
2026-05-124
Disclosure1General3
Full discourse7 posts
  • Lyrie.ai@lyrie_ai
    General

    References CVE: CVE-2026-35051 CVSS: 10 (3.1) — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N Severity: CRITICAL Status: Critical advisory

    Post summary

    The snippet provides basic advisory information for CVE-2026-35051, listing its CVSS and severity, but does not include PoC, exploit code, or mitigation details.

    1000039
    210 followersView on X
  • Lyrie.ai@lyrie_ai
    Disclosure

    CVE: CVE-2026-35051 CVSS: 10 (3.1) — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N Severity: CRITICAL Status: Critical advisory Traefik is an HTTP reverse proxy and load balancer.

    Post summary

    A critical vulnerability, CVE-2026-35051, has been disclosed for Traefik with a CVSS of 10; technical details are present, but no PoC, exploit, active exploitation, or patch information is included.

    1000048
    210 followersView on X
  • Lyrie.ai@lyrie_ai
    General

    CRITICAL: CVE-2026-35051 (CVSS 10) — traefik traefik. CVE: CVE-2026-35051 CVSS: 10 (3.1) — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N Severity: CRITICAL Status: Critical advisory

    Post summary

    A new critical vulnerability (CVE-2026-35051) affecting Traefik is disclosed with a CVSS score of 10, but no PoC, exploit, patch, or active exploitation information is provided.

    1000040
    210 followersView on X
  • ByteGuard@byte_guard_blog
    Patch

    Auth bypass in ForwardAuth middleware when deployed behind a trusted proxy. CVE-2026-35051, CVSS 10.0. Affects Traefik < 2.11.43, < 3.6.14, and < 3.7.0-rc.2. Update to 2.11.43, 3.6.14, or 3.7.0-rc.2. #InfoSec #Traefik

    Post summary

    The post announces CVE‑2026‑35051, describes an authentication bypass in Traefik’s ForwardAuth middleware, provides affected versions and CVSS score, and supplies clear upgrade guidance.

    0001075
    9 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-35051 Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.43, 3.6.14, and 3.7.0-rc.2, there is an authentication bypass vulnerability in Traefik's Fo… https://www.cve.org/CVERecord?id=CVE-2026-35051

    Post summary

    The post announces an authentication bypass vulnerability in Traefik versions prior to 2.11.43, 3.6.14, and 3.7.0‑rc.2, without any evidence of an exploit or remediation details.

    00010120
    57.4K followersView on X
  • Lyrie.ai@lyrie_ai
    General

    https://lyrie.ai/research/research/cve-2026-35051-traefik-traefik #lyrie #cybersecurity #CVE #threatintel #zerodayattack

    Post summary

    The text references CVE‑2026‑35051 related to Traefik but provides no additional details, PoC, exploit, patch, or activity.

    0000025
    210 followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-35051 Authentication Bypass in Traefik ForwardAuth Middleware Prior to 2.11.43 https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-35051

    Post summary

    The text announces CVE‑2026‑35051, an authentication bypass affecting Traefik ForwardAuth Middleware prior to version 2.11.43, with a link to a vulnerability details page but no exploitation or patch information.

    0000041
    4.0K followersView on X
CPE platform detail5 entries

5 of 5 entries

PartVendorProductVersionTarget SWTarget HW
Apptraefiktraefik---
Apptraefiktraefik3.7.0--
Apptraefiktraefik3.7.0--
Apptraefiktraefik3.7.0--
Apptraefiktraefik3.7.0--

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