{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/products/traefik--2.11.46/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["Traefik \u003c 2.11.46","Traefik 3.6.x \u003c 3.6.17","Traefik 3.7.x \u003c 3.7.1"],"_cs_severities":["medium"],"_cs_tags":["security-policy-bypass","vulnerability","traefik"],"_cs_type":"advisory","_cs_vendors":["Traefik"],"content_html":"\u003cp\u003eA vulnerability has been discovered in Traefik, a popular reverse proxy and load balancer. The vulnerability, identified as CVE-2026-44774, can be exploited to bypass security policies, potentially granting unauthorized access or control over backend services. This issue affects Traefik versions prior to v2.11.46, v3.6.x before v3.6.17, and v3.7.x before v3.7.1. Defenders should upgrade to the latest version to mitigate this risk and ensure their security policies are effectively enforced.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAn attacker identifies a vulnerable Traefik instance.\u003c/li\u003e\n\u003cli\u003eThe attacker crafts a malicious HTTP request designed to exploit the policy bypass.\u003c/li\u003e\n\u003cli\u003eThe request is sent to the Traefik instance, targeting a specific endpoint.\u003c/li\u003e\n\u003cli\u003eTraefik incorrectly processes the request, failing to enforce the intended security policies.\u003c/li\u003e\n\u003cli\u003eThe request is forwarded to the backend service, bypassing the security controls.\u003c/li\u003e\n\u003cli\u003eThe backend service processes the malicious request, potentially executing unintended actions.\u003c/li\u003e\n\u003cli\u003eThe attacker gains unauthorized access to sensitive data or functionality.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of this vulnerability could lead to unauthorized access to backend services, data breaches, or other security incidents. The scope of the impact depends on the specific security policies in place and the functionality exposed by the backend services. Organizations using affected Traefik versions are urged to apply the necessary patches immediately to prevent potential exploitation.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUpgrade Traefik to version v2.11.46 or later, v3.6.17 or later, or v3.7.1 or later to patch CVE-2026-44774.\u003c/li\u003e\n\u003cli\u003eDeploy the Sigma rule \u0026ldquo;Detect CVE-2026-44774 Exploitation Attempt via Traefik Access Logs\u0026rdquo; to monitor for exploitation attempts in webserver logs.\u003c/li\u003e\n\u003cli\u003eReview and strengthen existing Traefik security policies to minimize the potential impact of future vulnerabilities.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-05-12T14:10:41Z","date_published":"2026-05-12T14:10:41Z","id":"https://feed.craftedsignal.io/briefs/2026-05-traefik-policy-bypass/","summary":"A security policy bypass vulnerability exists in Traefik versions prior to v2.11.46, v3.6.x before v3.6.17, and v3.7.x before v3.7.1, allowing attackers to potentially circumvent intended access controls.","title":"Traefik Security Policy Bypass Vulnerability","url":"https://feed.craftedsignal.io/briefs/2026-05-traefik-policy-bypass/"}],"language":"en","title":"CraftedSignal Threat Feed — Traefik \u003c 2.11.46","version":"https://jsonfeed.org/version/1.1"}