Search path without quotes in CivetWeb
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-428.
Summary
Vulnerability related to an unquoted search path in CivetWeb v1.16. This vulnerability allows a local attacker to execute arbitrary code with elevated privileges by placing a malicious executable in a directory that is scanned before the intended application path (C:\Program Files\CivetWeb\CivetWeb.exe --), due to the absence of quotes in the service configuration.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| CivetWeb | CivetWeb | 1.16 | — | No fix listed | CNA |
- CivetWeb VendorCivetWeb Affected 1.16 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:civetweb_project:civetweb:1.16:*:*:*:*:*:*:* | 1.16 | Vulnerable | civetweb_project |
- cpe:2.3:a:civetweb_project:civetweb:1.16:*:*:*:*:*:*:* Versions 1.16 Vulnerable ·civetweb_project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2026-5789
- 2026-10-03 Alias added: GHSA-9vxj-j2f7-9mgg
References
More CivetWeb vulnerabilities
- TI-2025-08840 Denial of Service in CivetWeb CVSS 4.0HIGH 8.7
- TI-2026-86093 Use-after-free in CivetWeb HTTP/2 pseudo-header handling CVSS 4.0CRITICAL 9.2
- TI-2026-23182 CivetWeb Heap/Stack Buffer Overflow via WebSocket permessage-deflate Decompression CVSS 4.0HIGH 8.3
Sources
- CVE-2026-5789 · CVE Program
- CVE-2026-5789 · NVD
- FIRST EPSS
- GHSA-9vxj-j2f7-9mgg · GitHub Advisory Database · CC BY 4.0
- CVE-2026-5789 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences