Auth bypass in Openclaw
CVE-2026-44998
OpenClaw before 2026.4.20 contains a tool policy bypass vulnerability allowing bundled MCP and LSP tools to circumvent configured tool restrictions. Attackers with local agent access can append restricted tools to the effective tool set after policy filtering, bypassing profile policies, allow/deny lists, owner-only restrictions, sandbox policies, and subagent policies.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.012 (67.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.012 · change: +0.005
Affected products
- Openclaw — versions 0, 2026.4.20
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-qrp5-gfw2-gxv4 (vendor-advisory, Third Party Advisory)
- github.com/openclaw/openclaw/commit/0e7a992d3f3155199c1acc2dd9a53c5b3a4d3ada (Patch, patch)
- www.vulncheck.com/advisories/openclaw-tool-policy-bypass-via-bundled-mcp-lsp-to… (Patch, Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-44998?
- CVE-2026-44998 is a medium-severity vulnerability in Openclaw, classified under Incorrect Authorization. CVSS score: 5.4/10. Published 2026-05-11.
- How severe is CVE-2026-44998?
- Medium severity. CVSS v3 base score is 5.4 out of 10.