{"id":"CVE-2026-62671","aliases":["EUVD-2026-62544","GHSA-4px8-7p53-282r"],"status":"published","title":"CSRF in grav-plugin-login: anonymous attacker rotates a logged-in user's 2FA (TOTP) secret (no nonce on task=login.regenerate2FASecret)","description":"Grav Login Plugin adds login, basic ACL, and session wide messages to Grav. Prior to 3.8.11, the Grav Login plugin login.regenerate2FASecret task accepts a top-level GET request through the TaskServiceProvider task: URI parameter without requiring a login-form nonce, an Origin check, or a Referer check. Under the default SameSite=Lax session cookie policy, an off-site navigation can invoke taskRegenerate2FASecret() in a logged-in victim's session, overwrite the victim's TOTP secret, and force two-factor re-enrollment. This issue is fixed in version 3.8.11.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00178,"percentile":0.07451,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-352"],"published":"2026-08-19T15:49:40Z","modified":"2026-10-28T02:30:42Z","products":[{"vendor":"getgrav","product":"grav-plugin-login"}],"references":[{"url":"https://github.com/getgrav/grav/security/advisories/GHSA-4px8-7p53-282r","tags":["x_refsource_CONFIRM","exploit","advisory"]},{"url":"https://github.com/getgrav/grav-plugin-login/commit/5d1b722298cb947d8f434025d121b99152a2c630","tags":["x_refsource_MISC","fix"]},{"url":"https://github.com/getgrav/grav-plugin-login/releases/tag/3.8.11","tags":["x_refsource_MISC","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/62xxx/CVE-2026-62671.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-62671","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-62671","title":"CSRF in grav-plugin-login: anonymous attacker rotates a logged-in user's 2FA (TOTP) secret (no nonce on task=login.regenerate2FASecret)","description":"Grav Login Plugin adds login, basic ACL, and session wide messages to Grav. Prior to 3.8.11, the Grav Login plugin login.regenerate2FASecret task accepts a top-level GET request through the TaskServiceProvider task: URI parameter without requiring a login-form nonce, an Origin check, or a Referer check. Under the default SameSite=Lax session cookie policy, an off-site navigation can invoke taskRegenerate2FASecret() in a logged-in victim's session, overwrite the victim's TOTP secret, and force two-factor re-enrollment. This issue is fixed in version 3.8.11.","status":"published","published":"2026-08-19T15:49:40.019Z","modified":"2026-08-19T16:41:31.426Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:20:14.999906Z"}],"euvd":[{"id":"EUVD-2026-62544","description":"Grav Login Plugin adds login, basic ACL, and session wide messages to Grav. Prior to 3.8.11, the Grav Login plugin login.regenerate2FASecret task accepts a top-level GET request through the TaskServiceProvider task: URI parameter without requiring a login-form nonce, an Origin check, or a Referer check. Under the default SameSite=Lax session cookie policy, an off-site navigation can invoke taskRegenerate2FASecret() in a logged-in victim's session, overwrite the victim's TOTP secret, and force two-factor re-enrollment. This issue is fixed in version 3.8.11.","status":"published","published":"2026-08-19T15:49:40Z","modified":"2026-08-19T16:41:31Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T18:01:41.405951Z"}],"nvd":[{"id":"CVE-2026-62671","description":"Grav Login Plugin adds login, basic ACL, and session wide messages to Grav. Prior to 3.8.11, the Grav Login plugin login.regenerate2FASecret task accepts a top-level GET request through the TaskServiceProvider task: URI parameter without requiring a login-form nonce, an Origin check, or a Referer check. Under the default SameSite=Lax session cookie policy, an off-site navigation can invoke taskRegenerate2FASecret() in a logged-in victim's session, overwrite the victim's TOTP secret, and force two-factor re-enrollment. This issue is fixed in version 3.8.11.","status":"published","published":"2026-08-19T16:18:19.757Z","modified":"2026-09-09T21:13:25.91Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:12:39.962615Z"}],"osv":[{"id":"CVE-2026-62671","title":"CSRF in grav-plugin-login: anonymous attacker rotates a logged-in user's 2FA (TOTP) secret (no nonce on task=login.regenerate2FASecret)","description":"Grav Login Plugin adds login, basic ACL, and session wide messages to Grav. Prior to 3.8.11, the Grav Login plugin login.regenerate2FASecret task accepts a top-level GET request through the TaskServiceProvider task: URI parameter without requiring a login-form nonce, an Origin check, or a Referer check. Under the default SameSite=Lax session cookie policy, an off-site navigation can invoke taskRegenerate2FASecret() in a logged-in victim's session, overwrite the victim's TOTP secret, and force two-factor re-enrollment. This issue is fixed in version 3.8.11.","status":"published","published":"2026-08-19T15:49:40.019Z","modified":"2026-10-28T02:30:42.09127054Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L","level":"medium"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T15:45:13.306117Z"}]}}