What’s Vulnerable › Vulnerabilities

CVE-2026-35651: OpenClaw 2026.2.13 < 2026.3.25 - ANSI Escape Sequence Injection in Approval Prompt

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-10 · updated 2026-06-17
• Weakness: CWE-150

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.

Affected products

• OpenClaw: from 2026.2.13 before 2026.3.25 — fixed in 2026.3.25

How to fix

Upgrade to a fixed version: OpenClaw 2026.3.25. Check the vendor advisory for mitigations.

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

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