Vulnerability in phpMyAdmin

[ Description ]Official description

phpMyAdmin through 5.2.3 contains a missing re-authentication vulnerability that allows authenticated attackers to remove two-factor authentication by posting the 2fa key to /config/set. Attackers holding a hijacked session can submit key=2fa with a null JSON value to SetConfigController, stripping 2FA so later logins require only the MySQL password.

[ Fixes ]Fixes and patches

• Patch on github.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD
• Patch on github.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD
• Patch on github.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD
• Patch on vulncheck.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD

[ Advisories ]Government CERT advisories

• BSI CERT-Bund1 Nov 2026WID-SEC-2026-4278

  phpMyAdmin: Multiple vulnerabilities Translated from German

  CVE-2026-119426CVE-2026-119562CVE-2026-119561+4 more CVEs

[ References ]References

• abraxaslabs.tech/research/phpmyadmin-config-set-2faExploitThird Party Advisory
• github.com/phpmyadmin/phpmyadminProduct
• github.com/phpmyadmin/phpmyadmin/blob/RELEASE_5_2_3/libraries/classes/Controllers/Confi…Product
• github.com/phpmyadmin/phpmyadmin/commit/6482dfa28bd56d515f482b008b194a516646fe1bPatch
• github.com/phpmyadmin/phpmyadmin/commit/b2a3e41f1e9ce42d1ee3f07a91f476029987799fPatch
• github.com/phpmyadmin/phpmyadmin/pull/19087Patch
• www.vulncheck.com/advisories/phpmyadmin-through-5.2.3-two-factor-authentication-removal…ExploitPatchThird Party Advisory