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PatchSiren cyber security CVE debrief

CVE-2026-53815 OpenClaw CVE debrief

CVE-2026-53815 is an authorization bypass vulnerability in OpenClaw before version 2026.5.19. The vulnerability affects the message read actions, where insufficient validation was performed, allowing lower-trust callers to request messages from channels not intended for them. This could potentially expose sensitive channel messages. The vulnerability has a CVSS score of 7.1 and is considered HIGH severity.

Vendor
OpenClaw
Product
Unknown
CVSS
HIGH 7.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-11
Original CVE updated
2026-06-12
Advisory published
2026-06-11
Advisory updated
2026-06-12

Who should care

Users of OpenClaw before version 2026.5.19 should be aware of this vulnerability and take necessary actions to mitigate it.

Technical summary

The vulnerability is caused by insufficient validation in the message read actions of OpenClaw, allowing lower-trust callers to bypass channel allowlist checks. This could lead to unauthorized access to sensitive channel messages.

Defensive priority

HIGH

Recommended defensive actions

  • Upgrade OpenClaw to version 2026.5.19 or later.
  • Review and restrict access to sensitive channels.
  • Monitor for suspicious activity.

Evidence notes

The vulnerability was reported by [email protected] and is referenced in the NVD database.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-53815 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-53815

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-53815 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-53815

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.