CVE-2026-49956

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.

SeverityMedium

CVSS6.5

Exploit probability—

ProductNesquena Hermes-webui

PublishedJun 9, 2026

First seenJun 9, 2026

Weakness typeCWE-862Missing authorization

How to fix

Update

nesquena hermes-webui0.51.269 or later

Patches

github.com/nesquena/hermes-webui/commit/2c7b530071bb29ae4184e83e33be5799d529568e

Vendor advisories

github.com/nesquena/hermes-webui/releases/tag/v0.51.269

Affected products

Product	Affected versions	Fixed in
nesquena hermes-webui	v < 0.51.269	0.51.269

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