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Description

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 Reserved 2026-06-10 | Published 2026-06-16 | Updated 2026-06-16 | Assigner VulnCheck




HIGH: 8.6CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

HIGH: 8.1CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Problem types

Authentication Bypass by Spoofing

Product status

Default status
unaffected

Any version before 2026.5.3
affected

2026.5.3 (semver)
unaffected

Credits

Philip (@PhilipPhil) reporter

References

github.com/...enclaw/security/advisories/GHSA-8c59-hr4w-qg69 (GitHub Security Advisory (GHSA-8c59-hr4w-qg69)) vendor-advisory

www.vulncheck.com/...y-name-binding-in-zalo-allowfrom-policy (VulnCheck Advisory: OpenClaw < 2026.5.3 - Mutable Display Name Binding in Zalo allowFrom Policy) third-party-advisory

cve.org (CVE-2026-53857)

nvd.nist.gov (CVE-2026-53857)

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