Vulnerability in Openclaw
CVE-2026-35651
OpenClaw versions 2026.2.13 through 2026.3.24 contain an ANSI escape sequence injection vulnerability in approval prompts that allows attackers to spoof terminal output. Untrusted tool metadata can carry ANSI control sequences into approval prompts and permission logs, enabling attackers to manipulate displayed information through malicious tool titles.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (27.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 27.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
- Openclaw — versions 2026.2.13, 2026.3.25
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-4hmj-39m8-jwc7 (vendor-advisory, Vendor Advisory, third-party-advisory)
- github.com/openclaw/openclaw/commit/464e2c10a5edceb380d815adb6ff56e1a4c50f60 (Patch, patch)
- www.vulncheck.com/advisories/openclaw-ansi-escape-sequence-injection-in-approva… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-35651?
- CVE-2026-35651 is a medium-severity vulnerability in Openclaw, classified under CWE-150. CVSS score: 4.3/10. Published 2026-04-10.
- How severe is CVE-2026-35651?
- Medium severity. CVSS v3 base score is 4.3 out of 10.