High severityNVD Advisory· Published Aug 1, 2025· Updated Aug 4, 2025
Traefik's Client Plugin is Vulnerable to Path Traversal, Arbitrary File Overwrites and Remote Code Execution
CVE-2025-54386
Description
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’s 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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/traefik/traefik/v2Go | < 2.11.28 | 2.11.28 |
github.com/traefik/traefik/v3Go | < 3.4.5 | 3.4.5 |
github.com/traefik/traefik/v3Go | >= 3.5.0-rc1, < 3.5.0 | 3.5.0 |
Affected products
8- osv-coords7 versionspkg:apk/chainguard/traefik-2.11pkg:golang/github.com/traefik/traefik/v2pkg:golang/github.com/traefik/traefik/v3pkg:rpm/opensuse/govulncheck-vulndb&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/govulncheck-vulndb&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/traefik2&distro=openSUSE%20Tumbleweedpkg:rpm/suse/govulncheck-vulndb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP6
< 0+ 6 more
- (no CPE)range: < 0
- (no CPE)range: < 2.11.28
- (no CPE)range: < 3.4.5
- (no CPE)range: < 0.0.20250814T182633-150000.1.98.1
- (no CPE)range: < 0.0.20250811T192933-1.1
- (no CPE)range: < 2.11.35-1.1
- (no CPE)range: < 0.0.20250814T182633-150000.1.98.1
Patches
Vulnerability mechanics
References
8- github.com/advisories/GHSA-q6gg-9f92-r9wgghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2025-54386ghsaADVISORY
- github.com/traefik/plugin-service/pull/71ghsax_refsource_MISCWEB
- github.com/traefik/plugin-service/pull/72ghsax_refsource_MISCWEB
- github.com/traefik/traefik/commit/5ef853a0c53068f69a6c229a5815a0dc6e0a8800ghsax_refsource_MISCWEB
- github.com/traefik/traefik/pull/11911ghsax_refsource_MISCWEB
- github.com/traefik/traefik/releases/tag/v2.11.28ghsax_refsource_MISCWEB
- github.com/traefik/traefik/security/advisories/GHSA-q6gg-9f92-r9wgghsax_refsource_CONFIRMWEB
News mentions
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