Notification Bypass Vulnerability in OpenClaw by OpenClaw
CVE-2026-53851

6.3MEDIUM

Key Information:

Vendor

Openclaw

Status
Openclaw
Vendor
CVE Published:
16 June 2026

What is CVE-2026-53851?

OpenClaw prior to version 2026.5.12 is vulnerable to a notification bypass that permits Slack reaction events to be processed, even when reaction notifications are disabled. This flaw allows attackers to induce the agent to process these events unintentionally, leading to potential handling of lower-trust input that could compromise system integrity.

Affected Version(s)

OpenClaw 0 < 2026.5.12

OpenClaw 2026.5.12

References

https://github.com/openclaw/openclaw/security/advisories/...
vendor-advisory
https://www.vulncheck.com/advisories/openclaw-slack-react...
third-party-advisory

CVSS V4

Score:
6.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Edward-x (@YLChen-007)
.