PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-53860 OpenClaw CVE debrief

CVE-2026-53860 is a low-severity vulnerability in OpenClaw, specifically in the BlueBubbles component. The vulnerability allows participants to bypass sender policy by matching allowlist entries through conversation metadata rather than stable sender identity. This could potentially allow attackers to influence conversation-level identifiers and receive agent responses intended for configured senders, bypassing access controls. The CVSS score for this vulnerability is 2.3, indicating a low severity.

Vendor
OpenClaw
Product
Unknown
CVSS
LOW 2.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-16
Original CVE updated
2026-06-17
Advisory published
2026-06-16
Advisory updated
2026-06-17

Who should care

Users of OpenClaw, especially those who have configured sender policies in BlueBubbles, should be aware of this vulnerability and take steps to mitigate it.

Technical summary

The vulnerability is caused by the use of mutable conversation identifiers in BlueBubbles, which allows participants to influence conversation-level identifiers and potentially bypass sender policy. The vulnerability has been assigned CWE-807 and CWE-863.

Defensive priority

Low

Recommended defensive actions

  • Update OpenClaw to version 2026.5.7 or later.
  • Review and update sender policies in BlueBubbles to ensure they are not vulnerable to bypass.

Evidence notes

The vulnerability was reported by Vulncheck and is tracked under CVE-2026-53860. More information can be found at [ref-4](https://github.com/openclaw/openclaw/security/advisories/GHSA-8j37-5w68-wj2g) and [ref-5](https://www.vulncheck.com/advisories/openclaw-sender-policy-bypass-via-mutable-conversation-identifiers-in-bluebubbles).

Sources and references

Verified primary and authoritative sources

  • CVE-2026-53860 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-53860

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

  • CVE-2026-53860 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-53860

    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.