CVE-2026-49956 | Hermes WebUI before version 0.51.269 contains a profile isol… | CVSS 6.5 MEDIUM

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.

Metadata

CVE ID: CVE-2026-49956
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-06-02 16:30 UTC
Published: 2026-06-09 16:10 UTC
Last updated: 2026-06-09 17:51 UTC
Primary CWE: CWE-862
Missing Authorization
Vendor / Product: nesquena / hermes-webui
Sources: cve.org · NVD

Severity & Metrics

6.5 MEDIUM CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

SSVC — CISA Coordinator

Exploitation: PoC
Automatable: no
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
nesquena	hermes-webui	—	0 < 0.51.269

Weakness (CWE)

CWE	Source	Description
CWE-862	cna	Missing Authorization

CVSS scores (2)

Score	Severity	Version	Source	Vector
7.1	HIGH	4.0	cna	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
6.5	MEDIUM	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References (5)