{"vulnerability": "CVE-2026-62669", "sightings": [{"uuid": "ebf153ff-ba32-4fba-8d93-dc3f13c0c60d", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-62669", "type": "seen", "source": "https://bsky.app/profile/stackflag.bsky.social/post/3mul3p4uzs42m", "content": "CVE-2026-62669 - grav\nAn outdated version of the Grav Login Plugin allows attackers to bypass two-factor authentication. This means an attacker can log in without the second security code, potentially\u2026\n\nToo many irrelevant or confusing CVEs? Use stackflag.com\n\n#grav #getgrav #CVE #infosec", "creation_timestamp": "2026-09-02T23:30:04.976940Z"}, {"uuid": "9c0114d3-fe7b-471e-a400-d81c53baf255", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-62669", "type": "published-proof-of-concept", "source": "https://github.com/getgrav/grav/security/advisories/GHSA-7mgc-c7pq-3rr3", "content": "", "creation_timestamp": "2026-09-03T00:35:07.237881Z"}, {"uuid": "b19057cc-1fed-42f6-875e-3f296cbf04b7", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-62669", "type": "seen", "source": "https://gist.github.com/alon710/fb22df514827698e37bf556e10bb1199", "content": "# CVE-2026-62669: CVE-2026-62669: Critical Two-Factor Authentication Bypass in Grav CMS Login Plugin\n\n> **CVSS Score:** 7.4\n> **Published:** 2026-09-02\n> **Full Report:** https://cvereports.com/reports/CVE-2026-62669\n\n## Summary\nCVE-2026-62669 is a critical Improper Authentication vulnerability (CWE-287) in the Grav Login Plugin for Grav CMS. Prior to version 3.8.11, the plugin's key rotation task failed to verify if a user session was fully authorized before regenerating and returning two-factor authentication (2FA) secrets. Consequently, an attacker possessing a victim's primary credentials could invoke this endpoint to replace the 2FA secret, retrieve the replacement, and bypass the MFA constraint entirely.\n\n## TL;DR\nA logical validation flaw in the Grav Login Plugin allows an attacker with valid primary credentials to out-of-band regenerate and read the victim's 2FA secret, successfully bypassing multi-factor protection.\n\n## Exploit Status: POC\n\n## Technical Details\n\n- **CWE ID**: CWE-287\n- **Attack Vector**: Network\n- **CVSS Score**: 7.4 (High)\n- **EPSS Score**: 0.00386\n- **Impact**: Two-Factor Authentication Bypass\n- **Exploit Status**: Proof-of-Concept\n- **KEV Status**: Not Listed\n\n## Affected Systems\n\n- Grav CMS Core\n- Grav Login Plugin\n- **grav-plugin-login**: < 3.8.11 (Fixed in: `3.8.11`)\n- **grav**: < 2.0.4 (Fixed in: `2.0.4`)\n\n## Mitigation\n\n- Upgrade the Grav Login Plugin to version 3.8.11 or higher.\n- Upgrade Grav CMS Core to version 2.0.4 or higher.\n- Deploy WAF rules to restrict access to the task:login.regenerate2FASecret endpoint.\n\n**Remediation Steps:**\n1. Navigate to the Grav CMS administration panel.\n2. Access the 'Plugins' management tab.\n3. Locate the 'Login' plugin and trigger the update action to retrieve version 3.8.11.\n4. If utilizing command-line administration, execute: bin/gpm update login\n5. Verify the update succeeded and test login flows to ensure session state persists properly.\n\n## References\n\n- [GitHub Security Advisory GHSA-7mgc-c7pq-3rr3](https://github.com/getgrav/grav/security/advisories/GHSA-7mgc-c7pq-3rr3)\n- [Grav Commit 5d1b722298cb](https://github.com/getgrav/grav-plugin-login/commit/5d1b722298cb947d8f434025d121b99152a2c630)\n- [Grav Login Plugin Release 3.8.11](https://github.com/getgrav/grav-plugin-login/releases/tag/3.8.11)\n- [Grav CMS Release 2.0.4](https://github.com/getgrav/grav/releases/tag/2.0.4)\n- [Wiz Vulnerability Database Details](https://www.wiz.io/vulnerability-database/cve/cve-2026-62669)\n\n\n---\n*Generated by [CVEReports](https://cvereports.com/reports/CVE-2026-62669) - Automated Vulnerability Intelligence*", "creation_timestamp": "2026-09-03T14:32:32.686913Z"}]}