{"id":"CVE-2026-127088","summary":"2FAuth before 9.0.1 Password Reset Poisoning via Host Header","details":"2FAuth before 9.0.1 contains a weak password recovery vulnerability that allows unauthenticated attackers to poison reset links by forging the HTTP Host header. Attackers can request password or WebAuthn recovery emails with an attacker-controlled host, capture the victim's token, and take over accounts exposing stored TOTP/HOTP secrets.","aliases":["GHSA-v9qw-r94g-95qv"],"modified":"2026-11-14T02:47:31.689496124Z","published":"2026-11-13T09:34:16.098Z","database_specific":{"cna_assigner":"VulnCheck","cwe_ids":["CWE-640"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/127xxx/CVE-2026-127088.json"},"references":[{"type":"PACKAGE","url":"https://github.com/Bubka/2FAuth"},{"type":"ARTICLE","url":"https://github.com/Bubka/2FAuth/blob/v9.0.0/app/Http/Kernel.php#L47"},{"type":"ARTICLE","url":"https://github.com/Bubka/2FAuth/blob/v9.0.0/app/Notifications/WebauthnRecoveryNotification.php#L62-L64"},{"type":"FIX","url":"https://github.com/Bubka/2FAuth/commit/35ce085b69f9f5044dfb94017c3f27c1dc2668f3"},{"type":"ADVISORY","url":"https://github.com/Bubka/2FAuth/releases/tag/v9.0.1"},{"type":"ADVISORY","url":"https://github.com/Bubka/2FAuth/security/advisories/GHSA-v9qw-r94g-95qv"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/127xxx/CVE-2026-127088.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-127088"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/2fauth-before-9.0.1-password-reset-poisoning-via-host-header"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/bubka/2fauth","events":[{"introduced":"0"},{"fixed":"2a19734a178846f4b59c1b52504b8d8e1036623c"},{"fixed":"35ce085b69f9f5044dfb94017c3f27c1dc2668f3"}],"database_specific":{"extracted_events":[{"range":[{"introduced":"0"},{"fixed":"9.0.1"}],"source":"AFFECTED_FIELD","strategy":"StandardRange"},{"source":"REFERENCES_COMMIT","range":[{"fixed":"35ce085b69f9f5044dfb94017c3f27c1dc2668f3"}]},{"original_tag":"v9.0.1","range":[{"fixed":"2a19734a178846f4b59c1b52504b8d8e1036623c"}],"source":"REFERENCES_TAG"}]}}],"versions":["v9.0.0","v8.0.3","v8.0.2","v8.0.1","v8.0.0","v7.0.1","v7.0.0","v6.1.3","v6.1.2","v6.1.1","v6.1.0","v5.6.0","v5.5.2","v5.5.1","v5.5.0","v5.4.3","v5.4.2","v5.4.1","v5.4.0","v5.3.2","v5.3.1","v5.3.0","v5.2.0","v5.1.1","v5.1.0","v5.0.4","v5.0.3","v5.0.2","v5.0.1","v5.0.0","v4.2.4","v4.2.3","v4.2.2","v4.2.1","v4.2.0","v4.1.0","v4.0.2","v4.0.1","v4.0.0","v4.0.0-beta.1","v3.4.1","v3.4.0","v3.3.3","v3.3.2","v3.3.1","v3.3.0","v3.2.0","v3.1.1","v3.1.0","v3.0.0","v2.1.0","v2.0.2","v2.0.1","v2.0.0","v1.3.1","v1.3.0","v1.2.0","v1.1.0","v1.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-127088.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N"}]}