CVE-2026-112265

CVE-2026-112265CVE-2026-112265

Description

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.

Scoring

CVSS 6.5 ()
VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N
Last modified2026-10-19
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.