CVE-2026-118658
4.7 MEDIUMpublic exploit availablePublished 2026-10-28 · Updated 2026-10-28
AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.
NVD description
Echo is a Go web framework. Prior to 4.15.2 and 5.1.1, Context.Scheme returns values from X-Forwarded-Proto, X-Forwarded-Protocol, or X-Url-Scheme without validating that they are supported web schemes. WWWRedirect and NonWWWRedirect use that value to construct a Location header, so an attacker controlling a forwarded scheme header can cause a redirect to use an arbitrary URI scheme. Exploitation requires an affected redirect middleware and user interaction with the response; the HTTPS-specific redirect variants hardcode HTTPS and are unaffected. This issue is fixed in 4.15.2 and 5.1.1.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
Weaknesses
CWE-601
Public exploit & PoC references
- https://github.com/labstack/echo/commit/ca4f38a474302aabee93c66bdd0052359882e181
- https://github.com/labstack/echo/commit/d1d8ad3f99dd9b80542cd0c357d56a8916c515df
- https://github.com/labstack/echo/releases/tag/v4.15.2
- https://github.com/labstack/echo/releases/tag/v5.1.1
- https://github.com/labstack/echo/security/advisories/GHSA-23wf-92cp-8pcj
All references
- https://github.com/labstack/echo/commit/ca4f38a474302aabee93c66bdd0052359882e181
- https://github.com/labstack/echo/commit/d1d8ad3f99dd9b80542cd0c357d56a8916c515df
- https://github.com/labstack/echo/releases/tag/v4.15.2
- https://github.com/labstack/echo/releases/tag/v5.1.1
- https://github.com/labstack/echo/security/advisories/GHSA-23wf-92cp-8pcj
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
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