{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-86196","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-09-05T11:52:36.821Z","datePublished":"2026-09-05T12:09:09.490Z","dateUpdated":"2026-09-08T17:18:18.689Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-09-05T12:09:09.490Z"},"datePublic":"2026-08-21T00:00:00.000Z","title":"Grav API Plugin before 1.0.20 Authentication Bypass via Host Header","descriptions":[{"lang":"en","value":"Grav API plugin versions before 1.0.20 build password reset links from the untrusted Host header in the forgot-password endpoint, allowing unauthenticated attackers to redirect reset tokens to attacker-controlled domains. Attackers can send password reset requests for any account with a malicious Host header, intercept the reset token from victim emails, and complete account takeover including super-admin accounts."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Authentication Bypass by Spoofing","cweId":"CWE-290","type":"CWE"}]}],"affected":[{"vendor":"getgrav","product":"grav-plugin-api","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","versionType":"semver","lessThan":"1.0.20"},{"version":"1.0.20","status":"unaffected","versionType":"semver"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:getgrav:grav:*:*:*:*:*:*:*:*","versionEndExcluding":"1.0.20"}]}]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.7,"baseSeverity":"HIGH"}}],"references":[{"url":"https://github.com/getgrav/grav/security/advisories/GHSA-262p-56vv-7v5r","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-262p-56vv-7v5r)"},{"name":"VulnCheck Advisory: Grav API Plugin before 1.0.20 Authentication Bypass via Host Header","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/grav-api-plugin-before-1.0.20-authentication-bypass-via-host-header"}],"credits":[{"lang":"en","value":"1K0CT","type":"reporter"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-08T17:17:48.067441Z","id":"CVE-2026-86196","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-08T17:18:18.689Z"}}]}}