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PatchSiren cyber security CVE debrief

CVE-2026-53856 OpenClaw CVE debrief

CVE-2026-53856 is a MEDIUM-severity vulnerability in OpenClaw, a software that contains an insecure file permissions vulnerability in its config recovery feature. The vulnerability allows local attackers on shared hosts to read sensitive configuration data by exploiting the recovery path to access the restored config file.

Vendor
OpenClaw
Product
Unknown
CVSS
MEDIUM 5.7
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 2026.4.24, especially those hosting the software on shared systems.

Technical summary

The vulnerability is caused by OpenClaw restoring its configuration file, OpenClaw.json, with overly broad permissions during config recovery. This allows local attackers to read sensitive configuration data.

Defensive priority

MEDIUM

Recommended defensive actions

  • Update OpenClaw to version 2026.4.24 or later.
  • Review and correct file permissions for OpenClaw.json.
  • Limit access to sensitive configuration data.

Evidence notes

The CVE-2026-53856 vulnerability was reported by Vulncheck and has a CVSS score of 5.7. The vulnerability is tracked under CWE-732.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-53856 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-53856

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

  • CVE-2026-53856 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-53856

    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.