GO-2026-6293
Encoded slash (%2F) bypasses route-level protection and exposes static files in github.com/labstack/echo/v4 and github.com/labstack/echo/v5
At a glance
- Published
- Updated
- CVE
- CVE-2026-55677
- Aliases
- GHSA-vfp3-v2gw-7wfq
Description
Encoded slash (%2F) bypasses route-level protection and exposes static files in github.com/labstack/echo/v4 and github.com/labstack/echo/v5
Affected packages
| Package | Versions |
|---|---|
| Go · github.com/labstack/echo/v4 | introduced 0, fixed 4.15.3 |
| Go · github.com/labstack/echo/v5 | introduced 0, fixed 5.2.0 |
References
- https://github.com/labstack/echo/security/advisories/GHSA-vfp3-v2gw-7wfq ADVISORY
- https://nvd.nist.gov/vuln/detail/CVE-2026-55677 ADVISORY
- https://github.com/labstack/echo/commit/8d1ae9d3360a71672418856d58753af25f2c3986 FIX
- https://github.com/labstack/echo/commit/c3fa2a27ff92b2b8db360de614f999ef1da24725 FIX
- https://github.com/labstack/echo/pull/3009 FIX
- https://github.com/labstack/echo/pull/3011 FIX
- https://github.com/labstack/echo/releases/tag/v4.15.3 WEB
- https://github.com/labstack/echo/releases/tag/v5.2.0 WEB
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — Go Vulnerability Database |