CVE-2026-91836

LOW CVSS 2.8

Published: 2026-09-15

Modified: 2026-09-16

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AI Threat Summary

CVE-2026-91836 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 flaw has been found in OpenClaw ClawScan up to 0.1.6. This affects an unknown function of the file internal/runner/static_scanner.go of the component Static Scanner. This manipulation causes incomplete comparison with missing factors. It is possible to launch the attack on the local host. The exploit has been published and may be used. Upgrading to version 0.1.7 mitigates this issue. Patch name: 9f6a6fbb9f1137345566d0ab44c73893dfe112fa. The affected component should be upgraded.

Attack Chain

Reconnaissance

Attacker scans for vulnerable versions using version banners or PoC scanners

Initial Access

Attacker triggers CVE-2026-91836 vulnerability with a crafted request or payload

Execution

Vulnerability exploited to perform unauthorized actions on the target system

Impact

Depending on vulnerability type, attacker achieves data access, service disruption, or code execution

MITRE ATT&CK Techniques

T1190 Exploit Public-Facing Application

Initial Access

Public-facing application vulnerability exploited for initial access

T1203 Exploitation for Client Execution

Execution

Vulnerability exploited to execute attacker-controlled code

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

1. Apply vendor-supplied security patches immediately. 2. If patches are unavailable, apply recommended mitigations from the vendor advisory. 3. Enable WAF rules or IDS signatures to detect exploitation attempts. 4. Monitor logs for indicators of compromise listed above. 5. Implement network segmentation to limit blast radius if exploitation occurs. 6. Subscribe to vendor security advisories for this product.

Quick Facts

CVE ID	CVE-2026-91836
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

External Resources

NVD Entry BleepingComputer The Hacker News