CVE-2026-112265

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.receivev1 or card.action.trigger events to drive th...

EUVD-2026-104308

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.receivev1 or card.action.trigger events to drive th...

CVE-2026-112265 LangBot through 4.11.0 Missing Lark/Feishu Webhook Authenticity Verification

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.receivev1 or card.action.trigger events to drive th...

CVE-2026-112265

LangBot versions through 4.11.0 are vulnerable to a missing authenticity verification flaw in the Lark/Feishu webhook handling. The root cause is a failure to perform proper signature checks, allowing unauthenticated attackers who know a bot UUID to inject forged im.message.receive_v1 or card.act...