| Component | OpenClaw |
| Severity | critical (CVSS 9.1) |
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| Published (NVD) | 2026-05-05 |
| Last modified | 2026-06-17 |
| Affected versions | openclaw < 2026.4.10 |
| Fixed in | 2026.4.10 |
| Weakness | CWE-345 |
| CISA KEV | not listed |
NVD description
OpenClaw before 2026.4.10 contains an input validation vulnerability that allows external hook metadata to be enqueued as trusted system events. Attackers can supply malicious hook names to escalate untrusted input into higher-trust agent context.
What to do
- Upgrade OpenClaw to
2026.4.10or later. - Do not expose the component's API or UI to the internet without authentication in front of it.
Sources
- NVD: CVE-2026-43534
- https://github.com/openclaw/openclaw/security/advisories/GHSA-7g8c-cfr3-vqqr
- https://github.com/openclaw/openclaw/commit/e3a845bde5b54f4f1e742d0a51ba9860f9619b29
- https://www.vulncheck.com/advisories/openclaw-unsanitized-external-input-in-agent-hook-events
Read more
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