CVE-2026-49956CWE-862

Hermes WebUI < 0.51.269 Profile Isolation Bypass via sessions search

High · published June 9, 2026

CVSS v4.0
7.1
EPSS
0%
Percentile
40.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
7.1 · HIGH
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
EPSS
0.00474 · 40.0th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-06-09T16:10Z
EPSS history
Timeline
  • 09 JUN 16:10Z
    Hermes WebUI < 0.51.269 Profile Isolation Bypass via sessions search
    cvelistv5