{"action":"Upgrade github.com/gofiber/fiber/v2 to 2.49.2 or later.","affected":[{"fixed":"2.49.2","introduced":"0"}],"component":"github.com/gofiber/fiber/v2","cve_ids":["CVE-2023-41338"],"ecosystem":"Go","epss":0.00655,"exploited":false,"fixed_versions":["2.49.2"],"ghsa_id":"GHSA-3q5p-3558-364f","id":"tcs_01M5KEV7515Y0XPTZSW6PGN015","modified_at":"2026-09-10T03:50:03.184878597Z","published_at":"2023-09-08T13:27:21Z","references":["https://osv.dev/vulnerability/GHSA-3q5p-3558-364f","https://github.com/gofiber/fiber/security/advisories/GHSA-3q5p-3558-364f","https://nvd.nist.gov/vuln/detail/CVE-2023-41338","https://github.com/gofiber/fiber/commit/b8c9ede6efa231116c4bd8bb9d5e03eac1cb76dc","https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-Forwarded-For","https://docs.gofiber.io/api/ctx#isfromlocal","https://github.com/gofiber/fiber"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"GHSA-3q5p-3558-364f#Go/github.com/gofiber/fiber/v2","url":"https://osv.dev/vulnerability/GHSA-3q5p-3558-364f"}],"summary":"Fiber unauthorized access vulnerability in `ctx.IsFromLocal()`"}