CVE-2026-32974 | THREATINT

Description

OpenClaw before 2026.3.12 contains an authentication bypass vulnerability in Feishu webhook mode when only verificationToken is configured without encryptKey, allowing acceptance of forged events. Unauthenticated network attackers can inject forged Feishu events and trigger downstream tool execution by reaching the webhook endpoint.

PUBLISHED Reserved 2026-03-17 | Published 2026-03-29 | Updated 2026-04-01 | Assigner VulnCheck

HIGH: 8.8CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N

HIGH: 8.6CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L

Problem types

Improper Verification of Cryptographic Signature

Product status

Default status

unaffected

Any version before 2026.3.12

affected

2026.3.12 (semver)

unaffected

Credits

lintsinghua reporter

References

github.com/...enclaw/security/advisories/GHSA-g353-mgv3-8pcj (GitHub Security Advisory (GHSA-g353-mgv3-8pcj)) third-party-advisory

www.vulncheck.com/...n-via-feishu-webhook-verification-token (VulnCheck Advisory: OpenClaw < 2026.3.12 - Forged Event Injection via Feishu Webhook Verification Token) third-party-advisory

cve.org (CVE-2026-32974)

nvd.nist.gov (CVE-2026-32974)

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