CVE-2026-53860: openclaw Auth Bypass — Fix

Description

OpenClaw before 2026.5.7 contains a sender policy bypass vulnerability in BlueBubbles that allows participants to match allowlist entries through conversation metadata rather than stable sender identity. Attackers can influence conversation-level identifiers to receive agent responses intended for configured senders, potentially bypassing access controls.

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CVSS v3.1 Score

4.2

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

EPSS — Exploit Prediction

0.0017

Probability of exploitation

0.07%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-807 CWE-807

CWE-863 Incorrect Authorization

Affected Products

Vendor	Product	Versions
openclaw	openclaw	< 2026.5.7
openclaw	openclaw	All

References

Advisories & Patches

https://github.com/openclaw/openclaw/security/advisories/GHSA-8j37-5w68-wj2g

Other References

https://www.vulncheck.com/advisories/openclaw-sender-policy-bypass-via-mutable-conversation-identifiers-in-bluebubbles

Frequently Asked Questions

What is CVE-2026-53860? +

OpenClaw before 2026.5.7 contains a sender policy bypass vulnerability in BlueBubbles that allows participants to match allowlist entries through conversation metadata rather than stable sender identity. Attackers can influence conversation-level identifiers to receive agent responses intended for configured senders, potentially bypassing access controls. It has a CVSS v3.1 base score of 4.2 (MEDIUM).

How severe is CVE-2026-53860? +

CVE-2026-53860 has a CVSS v3.1 score of 4.2 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0017, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-53860? +

CVE-2026-53860 affects products from openclaw, specifically: openclaw. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-53860? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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