High
nvd
·
CVE-2026-112265
CVE-2026-112265: LangBot through 4.11.0 contains a missing authenticity verification vulnerability that allows unauthenticated attackers
Published Oct 19, 2026
CVSS 8.3
LangBot through 4.11.0 contains a missing authenticity verification vulnerability that allows unauthenticated attackers to inject forged Lark/Feishu events by skipping signature checks. Attackers knowing a bot UUID can POST fabricated im.message.receive_v1 or card.action.trigger events to drive the LLM pipeline, tools, and approvals as other users.
Affected AI Products
llm