PatchSiren cyber security CVE debrief
CVE-2026-18641 Sangfor CVE debrief
The CVE-2026-18641 vulnerability was determined in Sangfor Operation and Maintenance Security Management System up to 3.0.13. Affected by this vulnerability is the function com.sbr.fort.foreignDP.DpLoginController of the file /fort/portal_login of the component Login Endpoint. This manipulation causes os command injection. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way. Organizations should review their deployments for potential exposure and prioritize patching or mitigation efforts.
- Vendor
- Sangfor
- Product
- Operation and Maintenance Security Management System
- CVSS
- MEDIUM 5.5
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-08-03
- Original CVE updated
- 2026-08-05
- Advisory published
- 2026-08-03
- Advisory updated
- 2026-08-05
Who should care
Organizations using Sangfor Operation and Maintenance Security Management System up to 3.0.13 should be aware of this vulnerability and take steps to patch or mitigate it to prevent potential remote os command injection attacks. Security teams and operators should review their deployments for potential exposure and prioritize patching or mitigation efforts. Vulnerability management and platform security teams should also be aware of this vulnerability and take steps to protect their systems.
Technical summary
The vulnerability is located in the com.sbr.fort.foreignDP.DpLoginController function of the /fort/portal_login file in Sangfor Operation and Maintenance Security Management System up to 3.0.13. This function is susceptible to os command injection, allowing remote attackers to execute arbitrary commands on the system. The vulnerability can be exploited remotely, and the exploit has been publicly disclosed.
Defensive priority
Organizations using Sangfor Operation and Maintenance Security Management System up to 3.0.13 should prioritize patching the vulnerable login endpoint to prevent potential remote os command injection attacks.
Recommended defensive actions
- Inventory and patch Sangfor Operation and Maintenance Security Management System up to 3.0.13
- Implement compensating controls such as web application firewalls to detect and prevent suspicious traffic
- Monitor system logs for potential os command injection attempts
- Verify the system's login endpoint for vulnerabilities
- Review deployment configurations for potential exposure
- Track patching and mitigation efforts for CVE-2026-18641
- Document verification of patched or mitigated systems
Evidence notes
The CVE record indicates a vulnerability in Sangfor Operation and Maintenance Security Management System up to 3.0.13, specifically in the com.sbr.fort.foreignDP.DpLoginController function of the /fort/portal_login file, which is susceptible to os command injection. The attack can be initiated remotely. The vendor was contacted but did not respond.
Official resources
AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-03T20:17:16.923Z and has not been modified since then.