{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-53624","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-06-09T20:16:59.646Z","datePublished":"2026-07-08T19:32:08.191Z","dateUpdated":"2026-07-10T14:57:28.656Z"},"containers":{"cna":{"title":"Fiber: HSTS header never set in helmet middleware due to incorrect protocol check","problemTypes":[{"descriptions":[{"cweId":"CWE-319","lang":"en","description":"CWE-319: Cleartext Transmission of Sensitive Information","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.8,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","version":"3.1"}}],"references":[{"name":"https://github.com/gofiber/fiber/security/advisories/GHSA-gv83-gqw6-9j2c","tags":["x_refsource_CONFIRM"],"url":"https://github.com/gofiber/fiber/security/advisories/GHSA-gv83-gqw6-9j2c"},{"name":"https://github.com/gofiber/fiber/pull/4389","tags":["x_refsource_MISC"],"url":"https://github.com/gofiber/fiber/pull/4389"},{"name":"https://github.com/gofiber/fiber/commit/04dd4e7754f61768fddccacc79057e416f13e6bf","tags":["x_refsource_MISC"],"url":"https://github.com/gofiber/fiber/commit/04dd4e7754f61768fddccacc79057e416f13e6bf"},{"name":"https://github.com/gofiber/fiber/releases/tag/v3.4.0","tags":["x_refsource_MISC"],"url":"https://github.com/gofiber/fiber/releases/tag/v3.4.0"}],"affected":[{"vendor":"gofiber","product":"fiber","versions":[{"version":"< 3.4.0","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-07-08T19:32:08.191Z"},"descriptions":[{"lang":"en","value":"Fiber is an Express inspired web framework written in Go. Prior to 3.4.0, the helmet middleware in middleware/helmet/helmet.go never sets the Strict-Transport-Security response header even when HSTSMaxAge is configured because it checks c.Protocol() for https instead of c.Scheme(). This issue is fixed in version 3.4.0."}],"source":{"advisory":"GHSA-gv83-gqw6-9j2c","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/gofiber/fiber/security/advisories/GHSA-gv83-gqw6-9j2c","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-10T14:57:02.119046Z","id":"CVE-2026-53624","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-07-10T14:57:28.656Z"}}]}}