Hermes WebUI before version 0.51.269 contains a profile isolation bypass vulnerability that allows authenticated users to access data belonging to other profiles by querying the session search endpoint without active-profile filtering. Attackers can send requests to the sessions search handler to retrieve session titles and transcript message content from profiles other than their own active profile.

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History

Tue, 09 Jun 2026 18:30:00 +0000

Type Values Removed Values Added
First Time appeared Nesquena
Nesquena hermes-webui
Vendors & Products Nesquena
Nesquena hermes-webui
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 09 Jun 2026 16:30:00 +0000

Type Values Removed Values Added
Description Hermes WebUI before version 0.51.269 contains a profile isolation bypass vulnerability that allows authenticated users to access data belonging to other profiles by querying the session search endpoint without active-profile filtering. Attackers can send requests to the sessions search handler to retrieve session titles and transcript message content from profiles other than their own active profile.
Title Hermes WebUI < 0.51.269 Profile Isolation Bypass via sessions search
Weaknesses CWE-862
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-06-09T17:51:17.388Z

Reserved: 2026-06-02T16:30:15.232Z

Link: CVE-2026-49956

cve-icon Vulnrichment

Updated: 2026-06-09T17:49:46.263Z

cve-icon NVD

Status : Deferred

Published: 2026-06-09T17:17:48.943

Modified: 2026-06-09T19:36:10.547

Link: CVE-2026-49956

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-09T18:15:10Z

Weaknesses