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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.

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




LOW: 2.3CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

MEDIUM: 4.2CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

Problem types

Reliance on Untrusted Inputs in a Security Decision

Incorrect Authorization

Product status

Default status
unaffected

Any version before 2026.5.7
affected

2026.5.7 (semver)
unaffected

Credits

Edward-x (@YLChen-007) reporter

References

github.com/...enclaw/security/advisories/GHSA-8j37-5w68-wj2g (GitHub Security Advisory (GHSA-8j37-5w68-wj2g)) vendor-advisory

www.vulncheck.com/...conversation-identifiers-in-bluebubbles (VulnCheck Advisory: OpenClaw < 2026.5.7 - Sender Policy Bypass via Mutable Conversation Identifiers in BlueBubbles) third-party-advisory

cve.org (CVE-2026-53860)

nvd.nist.gov (CVE-2026-53860)

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