Vulnerability Description
Hermes WebUI before 0.51.368 contains an authorization bypass vulnerability in the get_profile_cookie() function that accepts unauthenticated profile names from the hermes_profile cookie. An authenticated attacker can forge the hermes_profile cookie value to bypass profile-scoped authorization checks and access sessions, files, and resources across different profiles.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/nesquena/hermes-webui/commit/9e96f5f6adf93b6d1e27ebddfb4d2833
- https://github.com/nesquena/hermes-webui/pull/4023
- https://github.com/nesquena/hermes-webui/pull/4036
- https://github.com/nesquena/hermes-webui/releases/tag/v0.51.368
- https://www.vulncheck.com/advisories/hermes-webui-profile-scoped-authorization-b
FAQ
What is CVE-2026-53871?
CVE-2026-53871 is a vulnerability with a CVSS score of 8.1 (HIGH). Hermes WebUI before 0.51.368 contains an authorization bypass vulnerability in the get_profile_cookie() function that accepts unauthenticated profile names from the hermes_profile cookie. An authentic...
How severe is CVE-2026-53871?
CVE-2026-53871 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-53871?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.