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).
Official resources
CVE-2026-53860 was published on 2026-06-16T19:17:03.573Z and modified on 2026-06-16T20:42:46.200Z.