Auth bypass in Usmannasir Cyberpanel
CVE-2026-88895
CyberPanel before 3.0.5 fails to enforce two-factor authentication on API endpoints, allowing attackers to bypass TOTP requirements using password-derived tokens. Attackers who obtain an administrator's password can derive API tokens and perform administrative operations or create authenticated sessions without the second factor.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (50.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/usmannasir/cyberpanel/security/advisories/GHSA-h2f7-38ww-5pwc (vendor-advisory)
- www.vulncheck.com/advisories/cyberpanel-before-3.0.5-authentication-bypass-via-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-88895?
- CVE-2026-88895 is a high-severity vulnerability in Usmannasir Cyberpanel, classified under Improper Authentication. CVSS score: 7.2/10. Published 2026-09-10.
- How severe is CVE-2026-88895?
- High severity. CVSS v3 base score is 7.2 out of 10.