Auth bypass in Xenocrat Chyrp-lite
CVE-2026-35173
Chyrp Lite is an ultra-lightweight blogging engine. Prior to 2026.01, an IDOR / Mass Assignment issue exists in the Post model that allows authenticated users with post editing permissions (Edit Post, Edit Draft, Edit Own Post, Edit Own Dr…
Vulnerability class: IDOR (Insecure Direct Object Reference)
EPSS: 0.000 (9.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Xenocrat Chyrp-lite — versions < 2026.01
Weakness classification (CWE)
References
- https://github.com/xenocrat/chyrp-lite/security/advisories/GHSA-8c3h-rh2j-fxr9 (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2026-35173?
- CVE-2026-35173 is a medium-severity vulnerability in Xenocrat Chyrp-lite, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-04-06.
- How severe is CVE-2026-35173?
- Medium severity. CVSS v3 base score is 6.5 out of 10.