Path Traversal in Chyrplite Chyrp Lite
CVE-2026-35174
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.009 (57.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.009 · change: +0.003
Affected products
- Chyrplite Chyrp Lite
- Xenocrat Chyrp-Lite — versions < 2026.01
Weakness classification (CWE)
References
- github.com/xenocrat/chyrp-lite/security/advisories/GHSA-p6pf-2grm-8257 (Vendor Advisory)
Frequently asked questions
- What is CVE-2026-35174?
- CVE-2026-35174 is a critical-severity vulnerability in Chyrplite Chyrp Lite, classified under Path Traversal. CVSS score: 9.1/10. Published 2026-04-06.
- How severe is CVE-2026-35174?
- Critical severity. CVSS v3 base score is 9.1 out of 10.