CVE-2026-59100

mediumCVSS 5covered by 1 sourcefirst seen 2026-07-02

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.

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Exploitation outlook

Low exploitation risk0.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all EPSS-scored CVEs.

Advisory coverage (1)

mediumCVE-2026-59100: LobeChat through 2.2.9 contains a broken object level authorization vulnerability that allows …nvd · 2026-07-02

External references

NVD record for CVE-2026-59100

CVE.org record

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