Vulnerability in S9y Serendipity
CVE-2026-67351
Serendipity before 2.6.1 contains an authentication context confusion vulnerability where password validation and session loading operate independently without ensuring both use the same user record. An authenticated Editor can create a us…
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- S9y Serendipity — versions 0, 2.6.1
Weakness classification (CWE)
References
- disclosure@vulncheck.com (vendor-advisory)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-67351?
- CVE-2026-67351 is a high-severity vulnerability in S9y Serendipity, classified under Missing Critical Step in Authentication. CVSS score: 8.8/10. Published 2026-07-30.
- How severe is CVE-2026-67351?
- High severity. CVSS v3 base score is 8.8 out of 10.