Vulnerability Description
SOGo before 5.12.11 constructs password-reset links using the client-supplied Origin header as the authority, allowing unauthenticated attackers to redirect recovery tokens to attacker-controlled domains. Attackers can submit password recovery requests with a malicious Origin header to have valid password-reset tokens mailed to victim recovery addresses within links pointing to attacker infrastructure, enabling account takeover.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/Alinto/sogo
- https://github.com/Alinto/sogo/blob/SOGo-5.12.10/UI/MainUI/SOGoRootPage.m#L1375
- https://github.com/Alinto/sogo/commit/04a3e9823889acaf6c247b224f5f7a0108f8f829
- https://github.com/Alinto/sogo/commit/382118a93b6925de2ce7f774abc1865ebea2dbba
- https://www.sogo.nu/news/2026/sogo-v51211-released.html
- https://www.vulncheck.com/advisories/sogo-before-5.12.11-password-reset-token-in
FAQ
What is CVE-2026-93453?
CVE-2026-93453 is a vulnerability with a CVSS score of 8.3 (HIGH). SOGo before 5.12.11 constructs password-reset links using the client-supplied Origin header as the authority, allowing unauthenticated attackers to redirect recovery tokens to attacker-controlled doma...
How severe is CVE-2026-93453?
CVE-2026-93453 has been rated HIGH with a CVSS base score of 8.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-93453?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.