CVE-2026-49956

HIGH EPSS 18.9%
Published Jun 9, 20263w ago · Modified Jun 17, 20262w ago
7.1 CVSS 4.0
High
Find Similar
Published Jun 9, 2026 3w ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
7.1
Exploitability
—
Impact
—
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
18.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-862 Missing Authorization Authorization

References 5

  • github.com https://github.com/nesquena/hermes-webui/commit/2c7b530071bb29ae4184e83e33be5799d529568e
  • github.com https://github.com/nesquena/hermes-webui/pull/3646
  • github.com https://github.com/nesquena/hermes-webui/pull/3672
  • github.com https://github.com/nesquena/hermes-webui/releases/tag/v0.51.269
  • vulncheck.com https://www.vulncheck.com/advisories/hermes-webui-profile-isolation-bypass-via-sessions-search

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.