CVE-2026-59100 | LobeChat through 2.2.9 contains a broken object level author… | CVSS 5.0 MEDIUM

Description

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.

Metadata

CVE ID: CVE-2026-59100
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-07-02 15:38 UTC
Published: 2026-07-02 19:43 UTC
Last updated: 2026-07-02 19:43 UTC
Primary CWE: CWE-639
Authorization Bypass Through User-Controlled Key
Vendor / Product: lobehub / lobehub
Sources: cve.org · NVD

Severity & Metrics

5.0 MEDIUM CVSS 3.1

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

Affected products (1)

Vendor	Product	Platform	Versions
lobehub	lobehub	—	0 ≤ 2.2.9

Weakness (CWE)

CWE	Source	Description
CWE-639	cna	Authorization Bypass Through User-Controlled Key

CVSS scores (2)

Score	Severity	Version	Source	Vector
5.0	MEDIUM	3.1	cna	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
2.3	LOW	4.0	cna	CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

References (4)