{"action":"Upgrade github.com/gofiber/fiber/v3 to 3.1.0 or later.","affected":[{"fixed":"3.1.0","introduced":"0"}],"component":"github.com/gofiber/fiber/v3","cve_ids":["CVE-2026-25899"],"ecosystem":"Go","epss":0.0045,"exploited":false,"fixed_versions":["3.1.0"],"ghsa_id":"GHSA-2mr3-m5q5-wgp6","id":"tcs_01M5KGECQ107NWJRMJ34V7MK0B","modified_at":"2026-02-26T18:56:15.314415Z","published_at":"2026-02-26T16:27:51Z","references":["https://osv.dev/vulnerability/GO-2026-4534","https://github.com/gofiber/fiber/security/advisories/GHSA-2mr3-m5q5-wgp6","https://github.com/gofiber/fiber/releases/tag/v3.1.0"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GO-2026-4534","url":"https://osv.dev/vulnerability/GO-2026-4534"},{"source":"nvd","source_id":"CVE-2026-25899","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-25899"}],"summary":"Fiber is Vulnerable to Denial of Service via Flash Cookie Unbounded Allocation in github.com/gofiber/fiber/v3"}