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PatchSiren cyber security CVE debrief

CVE-2026-53812 OpenClaw CVE debrief

CVE-2026-53812 is a medium-severity server-side request forgery vulnerability in OpenClaw before version 2026.5.18. Authenticated users can bypass private-network navigation checks through Playwright act interactions, allowing attackers to trigger navigation to private-network targets via action-triggered redirects and read restricted page content using browser evaluation capabilities.

Vendor
OpenClaw
Product
Unknown
CVSS
MEDIUM 4.9
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 2026.5.18, particularly those with private-network navigation checks in place.

Technical summary

The vulnerability exists in the browser control of OpenClaw, allowing authenticated users to bypass private-network navigation checks. This can be exploited through Playwright act interactions, enabling attackers to access restricted page content.

Defensive priority

MEDIUM

Recommended defensive actions

  • Update OpenClaw to version 2026.5.18 or later.
  • Review and restrict Playwright act interactions to prevent unauthorized access.
  • Monitor for suspicious activity and implement additional security measures as needed.

Evidence notes

The vulnerability was reported and analyzed by the OpenClaw community and Vulncheck.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-53812 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-53812

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

  • CVE-2026-53812 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-53812

    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.