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CVE-2026-32695

7.7 · HIGH

Traefik is an HTTP reverse proxy and load balancer.

Published Mar 27, 2026CWE-74EPSS 0.53%

Overview

CVE-2026-32695 is a high-severity vulnerability. It was published on March 27, 2026 and has a CVSS 3.1 base score of 7.7 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.7, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Traefik is an HTTP reverse proxy and load balancer. Prior to versions 3.6.11 and 3.7.0-ea.2, Traefik's Knative provider builds router rules by interpolating user-controlled values into backtick-delimited rule expressions without escaping. In live cluster validation, Knative `rules[].hosts[]` was exploitable for host restriction bypass (for example `tenant.example.com`) || Host(`attacker.com`), producing a router that serves attacker-controlled hosts. Knative `headers[].exact` also allows rule-syntax injection and proves unsafe rule construction. In multi-tenant clusters, this can route unauthorized traffic to victim services and lead to cross-tenant traffic exposure. Versions 3.6.11 and 3.7.0-ea.2 patch the issue.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/traefik/traefik/releases/tag/v3.6.11GitHubgithub.com/traefik/traefik/releases/tag/v3.7.0-ea.2GitHubgithub.com/traefik/traefik/security/advisories/GHSA-67jx-r9pv-98rjRefaccess.redhat.com/errata/RHSA-2026:10175Refaccess.redhat.com/security/cve/CVE-2026-32695Refbugzilla.redhat.com/show_bug.cgi?id=2452235Refsecurity.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-32695.json

How CyberStrike helps

Frequently asked questions

What is CVE-2026-32695?

CVE-2026-32695 is a high-severity vulnerability. It was published on March 27, 2026 and has a CVSS 3.1 base score of 7.7 (HIGH).

How severe is CVE-2026-32695?

This vulnerability has a CVSS 3.1 base score of 7.7, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-32695?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-32695?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-32695 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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