Auth bypass in Nuxsmin Syspass
CVE-2026-65708
sysPass through version 3.2.11 contains an insecure direct object reference vulnerability that allows any authenticated attacker to access account file attachments belonging to accounts they do not have ACL permissions for by exploiting missing authorization checks in AccountFileController. Attackers can supply arbitrary numeric file IDs through the download, view, delete, upload, and list actions to enumerate and manipulate any attachment in the vault, bypassing account-level access controls entirely.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.004 (32.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.7% 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-2026-65708.md (technical-description, exploit)
- www.vulncheck.com/advisories/syspass-insecure-direct-object-reference-via-accou… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-65708?
- CVE-2026-65708 is a high-severity vulnerability in Nuxsmin Syspass, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.1/10. Published 2026-07-24.
- How severe is CVE-2026-65708?
- High severity. CVSS v3 base score is 8.1 out of 10.