CVE-2026-44997

MEDIUM

OpenClaw < 2026.4.22 - Security Envelope Constraint Bypass in ACP Child Sessions

Title source: cna
STIX 2.1

Description

OpenClaw before 2026.4.22 contains a security envelope constraint bypass vulnerability allowing restricted subagents to spawn ACP child sessions that fail to inherit depth, child-count limits, control scope, or target-agent restrictions. Attackers can exploit this by spawning child sessions that bypass subagent-only constraints, potentially escalating privileges or accessing restricted resources.

References (3)

Core 3
Core References
Vendor Advisory vendor-advisory
GitHub Security Advisory (GHSA-q3jj-46pq-826r)
https://github.com/openclaw/openclaw/security/advisories/GHSA-q3jj-46pq-826r
Third Party Advisory third-party-advisory
VulnCheck Advisory: OpenClaw < 2026.4.22 - Security Envelope Constraint Bypass in ACP Child Sessions
https://www.vulncheck.com/advisories/openclaw-security-envelope-constraint-bypass-in-acp-child-sessions

Scores

CVSS v3 4.3
EPSS 0.0003
EPSS Percentile 8.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-266
Status published
Products (4)
npm/openclaw 0 - 2026.4.22npm
OpenClaw/OpenClaw < 2026.4.22
openclaw/openclaw < 2026.4.22
OpenClaw/OpenClaw 2026.4.22
Published May 11, 2026
Tracked Since May 11, 2026