{"schema_version":"1.3.1","id":"GO-2026-5585","modified":"2026-07-24T18:35:55Z","published":"2026-07-24T18:35:55Z","aliases":["CVE-2026-42554","GHSA-qjv7-627w-8qjv"],"summary":"Fiber vulnerable to XSS in AutoFormat Content Negotiation in github.com/gofiber/fiber","details":"Fiber vulnerable to XSS in AutoFormat Content Negotiation in github.com/gofiber/fiber","affected":[{"package":{"name":"github.com/gofiber/fiber/v2","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.52.13"}]}],"ecosystem_specific":{"imports":[{"path":"github.com/gofiber/fiber/v2","symbols":["Ctx.Format"]}]}},{"package":{"name":"github.com/gofiber/fiber/v3","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.2.0"}]}],"ecosystem_specific":{"imports":[{"path":"github.com/gofiber/fiber/v3","symbols":["DefaultRes.AutoFormat"]}]}}],"references":[{"type":"ADVISORY","url":"https://github.com/gofiber/fiber/security/advisories/GHSA-qjv7-627w-8qjv"}],"database_specific":{"url":"https://pkg.go.dev/vuln/GO-2026-5585","review_status":"REVIEWED"}}