Chyrp Lite has a Path Traversal to Remote Code Execution
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-434.
Summary
Chyrp Lite is an ultra-lightweight blogging engine. Prior to 2026.01, a path traversal vulnerability exists in the administration console that allows an administrator or a user with Change Settings permission to change the uploads path to any folder. This vulnerability allows the user to download any file on the server, including config.json.php with database credentials and overwrite critical system files, leading to remote code execution. This vulnerability is fixed in 2026.01.
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 |
|---|---|---|---|---|---|
| xenocrat | chyrp-lite | before 2026.01 | 2026.01 | Patch available | CNA |
- chyrp-lite Vendorxenocrat Affected before 2026.01 Fixed in 2026.01 Patch available CNA
Remediation
- Fix · CNA chyrp-lite (xenocrat) Fixed in 2026.01
Timeline
- 2026-10-02 Threatist record created from CVE-2026-35174
- 2026-10-25 EPSS moved to the below the 50th percentile
References
More Chyrplite Chyrp Lite vulnerabilities
- TI-2026-27327 Chyrp Lite has an IDOR via Mass Assignment in Post Model CVSS 3.1MEDIUM 6.5
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences