Vulnerability in Openclaw
CVE-2026-53857
OpenClaw before 2026.5.3 contains a policy enforcement vulnerability where Zalo contacts with mutable display metadata could match allowFrom policy entries through display name changes. Attackers with mutable display names could receive agent responses intended for different Zalo identities when the feature is enabled.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.004 (28.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.001
Affected products
- Openclaw — versions 0, 2026.5.3
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-8c59-hr4w-qg69 (vendor-advisory, Vendor Advisory)
- www.vulncheck.com/advisories/openclaw-mutable-display-name-binding-in-zalo-allo… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-53857?
- CVE-2026-53857 is a high-severity vulnerability in Openclaw, classified under Authentication Bypass by Spoofing. CVSS score: 8.1/10. Published 2026-06-16.
- How severe is CVE-2026-53857?
- High severity. CVSS v3 base score is 8.1 out of 10.