CVE-2026-35651
CVE-2026-35651 is a medium-severity vulnerability in Openclaw with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-150.
Key facts
- Severity: Medium (CVSS 3.x base score 4.3)
- CVSS v4: 5.3
- EPSS exploit prediction: 0% (17th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-21448
- Weakness: CWE-150
- Affected product: Openclaw
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2026-35651?
- CVE-2026-35651 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
- Is CVE-2026-35651 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-35651?
- CVE-2026-35651 affects Openclaw. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-35651?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-35651 have an EU (EUVD) identifier?
- Yes. CVE-2026-35651 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21448.
- When was CVE-2026-35651 published?
- CVE-2026-35651 was published on 2026-04-10 and last updated on 2026-06-17.
References
- https://github.com/openclaw/openclaw/commit/464e2c10a5edceb380d815adb6ff56e1a4c50f60
- https://github.com/openclaw/openclaw/security/advisories/GHSA-4hmj-39m8-jwc7
- https://www.vulncheck.com/advisories/openclaw-ansi-escape-sequence-injection-in-approval-prompt
Affected products (1)
- cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
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