Go/github.com/labstack/echo/v4 CVE-2026-55677: high 7.5, EPSS 0.43%
Echo: Encoded slash (%2F) bypasses route-level protection and exposes static files
Action: Upgrade github.com/labstack/echo/v4 to 4.15.3 or later.
go get github.com/labstack/echo/v4@v4.15.3Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 4.15.3 | - |
Fixed versions
| 4.15.3 |
Sources
- osv: GHSA-vfp3-v2gw-7wfq#Go/github.com/labstack/echo/v4
- https://github.com/labstack/echo/security/advisories/GHSA-vfp3-v2gw-7wfq
- https://nvd.nist.gov/vuln/detail/CVE-2026-55677
- https://github.com/labstack/echo/pull/3009
- https://github.com/labstack/echo/pull/3011
- https://github.com/labstack/echo/commit/8d1ae9d3360a71672418856d58753af25f2c3986
- https://github.com/labstack/echo/commit/c3fa2a27ff92b2b8db360de614f999ef1da24725
- https://github.com/labstack/echo
- https://github.com/labstack/echo/releases/tag/v4.15.3
- https://github.com/labstack/echo/releases/tag/v5.2.0
CVE-2026-55677 · published · modified · JSON