CVE-2026-91835
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AI Threat Summary
CVE-2026-91835 is a moderate vulnerability with a CVSS score of 2.8 affecting the target software. Threat hunters should monitor for exploit attempts and apply vendor patches immediately.
Description
A vulnerability was detected in OpenClaw ClawScan up to 0.1.6. The impacted element is the function IsBinaryFile of the file internal/runner/static_scanner.go of the component File Classifier. The manipulation results in interpretation conflict. Attacking locally is a requirement. The exploit is now public and may be used. Upgrading to version 0.1.7 is sufficient to resolve this issue. The patch is identified as 04401337b3adb9343bd338b21e5e258bf49ca9c8. You should upgrade the affected component.
Attack Chain
Attacker scans for vulnerable versions using version banners or PoC scanners
Attacker triggers CVE-2026-91835 vulnerability with a crafted request or payload
Vulnerability exploited to perform unauthorized actions on the target system
Depending on vulnerability type, attacker achieves data access, service disruption, or code execution
MITRE ATT&CK Techniques
Indicators of Compromise
| Type | Value | Description | |
|---|---|---|---|
| user_agent | Mozilla/5.0 (compatible; exploit/1.0) |
Generic exploit scanner user agent pattern | |
| url | /api/vuln-endpoint?payload=<malicious> |
Exploit attempt against application endpoint — monitor access logs for anomalous params |
Remediation
Quick Facts
| CVE ID | CVE-2026-91835 |
| CVSS Score | 2.8 |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N |
| Published | 2026-09-15 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |
References
- https://github.com/openclaw/clawscan/
- https://github.com/openclaw/clawscan/commit/04401337b3adb934…
- https://github.com/openclaw/clawscan/issues/42
- https://github.com/openclaw/clawscan/pull/43
- https://github.com/openclaw/clawscan/releases/tag/v0.1.7
- https://vuldb.com/cve/CVE-2026-91835
- https://vuldb.com/submit/933532
- https://vuldb.com/vuln/404071
- https://vuldb.com/vuln/404071/cti