Auth bypass in Nuxsmin Syspass
CVE-2026-65709
sysPass through version 3.2.11 contains a missing object-level authorization vulnerability in the JSON-RPC API that allows API token holders to enumerate account metadata, overwrite passwords, and delete accounts across the entire vault without per-account access control. Attackers can invoke AccountController methods such as viewAction, editAction, deleteAction, and editPassAction without AccountFilterUser checks to modify or delete accounts beyond the scope of their assigned token permissions.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L.
EPSS exploit prediction
EPSS: 0.004 (33.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 33.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Nuxsmin Syspass — versions 0
Weakness classification (CWE)
References
- github.com/Caycon/cve-advisories/blob/main/2026/sysPass/CVE-2026-65709.md (technical-description, exploit)
- www.vulncheck.com/advisories/syspass-missing-object-level-authorization-via-jso… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-65709?
- CVE-2026-65709 is a high-severity vulnerability in Nuxsmin Syspass, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.3/10. Published 2026-07-24.
- How severe is CVE-2026-65709?
- High severity. CVSS v3 base score is 8.3 out of 10.