{"action":"Upgrade github.com/gofiber/fiber/v2 to 2.52.13 or later.","affected":[{"fixed":"2.52.13","introduced":"0"}],"component":"github.com/gofiber/fiber/v2","cve_ids":["CVE-2026-42554"],"ecosystem":"Go","epss":0.00307,"exploited":false,"fixed_versions":["2.52.13"],"ghsa_id":"GHSA-qjv7-627w-8qjv","id":"tcs_01M5KGNDASC0PBWM8K6WN7MX55","modified_at":"2026-07-24T19:00:24.231440095Z","published_at":"2026-07-24T18:35:55Z","references":["https://osv.dev/vulnerability/GO-2026-5585","https://github.com/gofiber/fiber/security/advisories/GHSA-qjv7-627w-8qjv"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"GO-2026-5585","url":"https://osv.dev/vulnerability/GO-2026-5585"}],"summary":"Fiber vulnerable to XSS in AutoFormat Content Negotiation in github.com/gofiber/fiber"}