CVE-2026-53871

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 v3 8.1 HIGH

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/nesquena/hermes-webui/commit/9e96f5f6adf93b6d1e27ebddfb4d2833ca06ff3b
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-bypass-via-forged-hermes-profile-cookie

Configurations

No configuration.

History

18 Jun 2026, 14:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-17 19:18

Updated : 2026-06-18 14:17

NVD link : CVE-2026-53871

Mitre link : CVE-2026-53871

CVE.ORG link : CVE-2026-53871

JSON object : View

Products Affected

No product.

CWE

CWE-565

Reliance on Cookies without Validation and Integrity Checking

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