CVE-2026-59100: Lobehub

Medium severity, CVSS 5.0. EPSS: 0.3% chance of exploitation in the next 30 days.

LobeChat through 2.2.9 contains a broken object level authorization vulnerability that allows authenticated attackers to access and modify other users' chat-group agent data by supplying arbitrary group identifiers. Attackers can invoke the getGroupAgents, updateAgentInGroup, and removeAgentsFromGroup operations without user-scoped predicates to read agent listings, modify agent roles and ordering, and remove agents from chat groups belonging to other users.

Affected products

• Lobehub Lobehub: up to and including 2.2.9

Published 2026-07-02. Last modified 2026-07-14.