CVE-2026-53860 | OpenClaw before 2026.5.7 contains a sender policy bypass vul… | CVSS 4.2 MEDIUM

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.

Metadata

CVE ID: CVE-2026-53860
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-06-10 21:22 UTC
Published: 2026-06-16 18:05 UTC
Last updated: 2026-06-16 19:33 UTC
Primary CWE: CWE-807
Reliance on Untrusted Inputs in a Security Decision
Vendor / Product: OpenClaw / OpenClaw
Sources: cve.org · NVD

Severity & Metrics

4.2 MEDIUM CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
OpenClaw	OpenClaw	—	0 < 2026.5.7, 2026.5.7

Weakness (CWE)

CWE	Source	Description
CWE-807	cna	Reliance on Untrusted Inputs in a Security Decision
CWE-863	cna	Incorrect Authorization

CVSS scores (2)

Score	Severity	Version	Source	Vector
4.2	MEDIUM	3.1	cna	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
2.3	LOW	4.0	cna	CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

References (2)

GitHub Security Advisory (GHSA-8j37-5w68-wj2g) https://github.com/openclaw/openclaw/security/advisories/GHSA-8j37-5w68-wj2g
VulnCheck Advisory: OpenClaw < 2026.5.7 - Sender Policy Bypass via Mutable Conversation Identifiers in BlueBubbles https://www.vulncheck.com/advisories/openclaw-sender-policy-bypass-via-mutable-conversation-identifiers-in-bluebubbles