OPENSUSE-SU-2026:10143-1

Vulnerability from csaf_opensuse - Published: 2026-02-03 00:00 - Updated: 2026-02-03 00:00
Summary
traefik2-2.11.35-1.1 on GA media

Notes

Title of the patch
traefik2-2.11.35-1.1 on GA media
Description of the patch
These are all security issues fixed in the traefik2-2.11.35-1.1 package on the GA media of openSUSE Tumbleweed.
Patchnames
openSUSE-Tumbleweed-2026-10143
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
To clipboard 

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          "text": "https://www.suse.com/security/cve/CVE-2025-54386"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Traefik is an HTTP reverse proxy and load balancer. In versions 2.11.27 and below, 3.0.0 through 3.4.4 and 3.5.0-rc1, a path traversal vulnerability was discovered in WASM Traefik\u0027s plugin installation mechanism. By supplying a maliciously crafted ZIP archive containing file paths with ../ sequences, an attacker can overwrite arbitrary files on the system outside of the intended plugin directory. This can lead to remote code execution (RCE), privilege escalation, persistence, or denial of service. This is fixed in versions 2.11.28, 3.4.5 and 3.5.0.",
          "title": "CVE description"
        }
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        ]
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            "openSUSE Tumbleweed:traefik2-2.11.35-1.1.s390x",
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        }
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        {
          "category": "general",
          "text": "SSH servers parsing GSSAPI authentication requests do not validate the number of mechanisms specified in the request, allowing an attacker to cause unbounded memory consumption.",
          "title": "CVE description"
        }
      ],
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          "text": "https://www.suse.com/security/cve/CVE-2025-66490"
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        {
          "category": "general",
          "text": "Traefik is an HTTP reverse proxy and load balancer. For versions prior to 2.11.32 and 2.11.31 through 3.6.2, requests using PathPrefix, Path or PathRegex matchers can bypass path normalization. When Traefik uses path-based routing, requests containing URL-encoded restricted characters (/, \\, Null, ;, ?, #) can bypass the middleware chain and reach unintended backends. For example, a request to http://mydomain.example.com/admin%2F could reach service-a without triggering my-security-middleware, bypassing security controls for the /admin/ path. This issue is fixed in versions 2.11.32 and 3.6.3.",
          "title": "CVE description"
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          "text": "https://www.suse.com/security/cve/CVE-2026-22045"
        }
      ],
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        {
          "category": "general",
          "text": "Traefik is an HTTP reverse proxy and load balancer. Prior to 2.11.35 and 3.6.7, there is a potential vulnerability in Traefik ACME TLS certificates\u0027 automatic generation: the ACME TLS-ALPN fast path can allow unauthenticated clients to tie up go routines and file descriptors indefinitely when the ACME TLS challenge is enabled. A malicious client can open many connections, send a minimal ClientHello with acme-tls/1, then stop responding, leading to denial of service of the entry point. The vulnerability is fixed in 2.11.35 and 3.6.7.",
          "title": "CVE description"
        }
      ],
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          "openSUSE Tumbleweed:traefik2-2.11.35-1.1.x86_64"
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            "openSUSE Tumbleweed:traefik2-2.11.35-1.1.x86_64"
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          "date": "2026-02-03T00:00:00Z",
          "details": "important"
        }
      ],
      "title": "CVE-2026-22045"
    }
  ]
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.