{"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-2026-25891"],"ecosystem":"Go","epss":0.00703,"exploited":false,"fixed_versions":["3.1.0"],"ghsa_id":"GHSA-m3c2-496v-cw3v","id":"tcs_01M5KGEDRH0TDXGCVE7RZ7EC12","modified_at":"2026-02-26T19:11:12.151068Z","published_at":"2026-02-26T16:27:51Z","references":["https://osv.dev/vulnerability/GO-2026-4540","https://github.com/gofiber/fiber/security/advisories/GHSA-m3c2-496v-cw3v","https://github.com/gofiber/fiber/commit/59133702301c2ab7b776dd123b474cbd995f2c86","https://github.com/gofiber/fiber/pull/4064"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GO-2026-4540","url":"https://osv.dev/vulnerability/GO-2026-4540"},{"source":"nvd","source_id":"CVE-2026-25891","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-25891"}],"summary":"Fiber has an Arbitrary File Read in Static Middleware on Windows in github.com/gofiber/fiber/v3"}