PatchSiren cyber security CVE debrief

CVE-2026-53838 OpenClaw CVE debrief

CVE-2026-53838 is a medium-severity vulnerability in OpenClaw, a software that enables node pairing. The vulnerability, tracked as CWE-367, allows paired nodes to confuse approval scope decisions due to a state mutation issue in the node pairing reconnection logic. This could enable attackers to bypass approval restrictions by exploiting the reconnection logic to restore or present broader node authority than intended.

Vendor: OpenClaw
Product: Unknown
CVSS: MEDIUM 6
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-06-12
Original CVE updated: 2026-06-16
Advisory published: 2026-06-12
Advisory updated: 2026-06-16

Who should care

Users of OpenClaw, especially those who rely on its node pairing functionality, should be aware of this vulnerability. The vulnerability's medium severity (CVSS score of 6) indicates that it could have significant impacts under certain conditions, particularly if an attacker can exploit it to gain unauthorized access or elevate privileges.

Technical summary

The vulnerability exists in the node pairing reconnection logic of OpenClaw before version 2026.5.27. It allows paired nodes to potentially confuse approval scope decisions, enabling attackers to bypass intended restrictions. The CVSS vector for this vulnerability is CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X.

Defensive priority

MEDIUM

Recommended defensive actions

Update OpenClaw to version 2026.5.27 or later to patch the vulnerability.
Review and restrict node pairing and reconnection logic where possible.
Monitor for suspicious activity related to node pairing and approval scope decisions.

Evidence notes

The CVE record and details were obtained from the official CVE and NVD sources. Additional information was derived from vulnerability advisories.

Sources and references

Verified primary and authoritative sources

CVE-2026-53838 CVE Program record
Publisher, destination, and source semantics verified

URL: https://www.cve.org/CVERecord?id=CVE-2026-53838

CVE Program - Official CVE Program record with source-provided CVE metadata.
CVE-2026-53838 NVD vulnerability detail
Publisher, destination, and source semantics verified

URL: https://nvd.nist.gov/vuln/detail/CVE-2026-53838

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

Supplemental references

Source reference
Unverified legacy reference

URL: https://github.com/openclaw/openclaw/security/advisories/GHSA-83w9-h5wv-j9xm

[email protected]
Source reference
Unverified legacy reference

URL: https://www.vulncheck.com/advisories/openclaw-node-pairing-state-mutation-via-reconnection

[email protected]

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.