CVE-2026-53871

Hermes WebUI < 0.51.368 - Profile-Scoped Authorization Bypass via Forged hermes_profile Cookie

Published Jun 17, 2026 CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Get-hermes
Get-hermes hermes Web Ui
CPEs cpe:2.3:a:get-hermes:hermes_web_ui:*:*:*:*:*:*:*:*
Vendors & Products Get-hermes
Get-hermes hermes Web Ui
Type Values Removed Values Added
First Time appeared Nesquena
Nesquena hermes-webui
Vendors & Products Nesquena
Nesquena hermes-webui
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Hermes WebUI < 0.51.368 - Profile-Scoped Authorization Bypass via Forged hermes_profile Cookie
Weaknesses CWE-565
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Sep 17, 2026, 6:57 PM
Reserved
Jun 10, 2026, 9:23 PM
Status
Deferred
Published
Jun 17, 2026, 7:18 PM
Modified
Oct 25, 2026, 11:10 PM