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PatchSiren cyber security CVE debrief

CVE-2026-53864 OpenClaw CVE debrief

CVE-2026-53864 is a HIGH-severity vulnerability in OpenClaw, a software that failed to properly sanitize environment variables, allowing attackers to influence child processes or coverage output paths. The vulnerability was published on [cvePublishedAt] and modified on [cveModifiedAt].

Vendor
OpenClaw
Product
Unknown
CVSS
HIGH 7.6
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-16
Original CVE updated
2026-06-18
Advisory published
2026-06-16
Advisory updated
2026-06-18

Who should care

Users of OpenClaw before version 2026.5.26 should apply the patch to prevent exploitation.

Technical summary

The vulnerability exists in the host environment sanitizer of OpenClaw, allowing Node.js control variables to bypass validation. Attackers with access to workspace .env files, tool environment overrides, or skill environment blocks can pass malicious Node.js control variables.

Defensive priority

HIGH

Recommended defensive actions

  • Apply the patch: Upgrade OpenClaw to version 2026.5.26 or later.
  • Review and restrict access to workspace .env files, tool environment overrides, and skill environment blocks.

Evidence notes

The CVE record was obtained from [resourceLinkAnnotations:cve-org]. Additional information was obtained from [resourceLinkAnnotations:nvd] and [resourceLinkAnnotations:ref-4] and [resourceLinkAnnotations:ref-5].

Sources and references

Verified primary and authoritative sources

  • CVE-2026-53864 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-53864

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

  • CVE-2026-53864 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-53864

    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.