CVE-2026-100553

OpenClaw versions >= 2026.6.9 and < 2026.8.1 do not declare the native chatId parameter as a delivery target in the Feishu unpin feature, so unpin requests can bypass the shared same-provider cross-context target check. When tools.message.crossContext.allowWithinProvider is disabled, an admitted (authenticated) sender can remove a pin from another Feishu group that the sender and the configured account are otherwise permitted to access, bypassing the intended cross-context message mutation policy. Feishu membership and group authorization still apply, and the demonstrated impact is limited to message mutation (pin removal). The issue is fixed in 2026.8.1.

• CWE-863

• https://github.com/openclaw/openclaw/security/advisories/GHSA-h9jh-75j7-7hhx
• https://www.vulncheck.com/advisories/openclaw-2026.6.9-before-2026.8.1-cross-context-policy-bypass-via-feishu-unpin

Published

Sep 26, 2026

Last Modified

Sep 26, 2026

Status

Received

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