{"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":0.00773,"exploited":false,"fixed_versions":["3.1.0"],"ghsa_id":"GHSA-m3c2-496v-cw3v","id":"tcs_01M5KFF2FWJC47NNHQ2ARB4K2A","modified_at":"2026-02-27T20:04:39Z","published_at":"2026-02-24T20:51:01Z","references":["https://osv.dev/vulnerability/GHSA-m3c2-496v-cw3v","https://github.com/gofiber/fiber/security/advisories/GHSA-m3c2-496v-cw3v","https://nvd.nist.gov/vuln/detail/CVE-2026-25891","https://github.com/gofiber/fiber/pull/4064","https://github.com/gofiber/fiber/commit/59133702301c2ab7b776dd123b474cbd995f2c86","https://github.com/gofiber/fiber","https://pkg.go.dev/vuln/GO-2026-4540"],"severity":{"label":"high"},"sources":[{"source":"osv","source_id":"GHSA-m3c2-496v-cw3v","url":"https://osv.dev/vulnerability/GHSA-m3c2-496v-cw3v"}],"summary":"Fiber has an Arbitrary File Read in Static Middleware on Windows"}