Vulnerability in Cockpit-Hq Cockpit
CVE-2026-82449
Cockpit CMS before 2.14.1 contains an account enumeration vulnerability in the auth check endpoint due to timing discrepancies in password verification. Attackers can measure response times across multiple requests to determine which accounts exist by observing that existing accounts trigger bcrypt verification while non-existent accounts return immediately.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (34.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.002
Affected products
Weakness classification (CWE)
References
- Patch Commit (patch)
- github.com/Cockpit-HQ/Cockpit (product)
- Vulnerable code: Auth.php (password_verify only on the match path) (technical-description)
- Reporter's write-up (MFC-2026-001) (third-party-advisory)
- VulnCheck Advisory: Cockpit CMS before 2.14.1 Account Enumeration via Auth Timing (third-party-advisory)
Frequently asked questions
- What is CVE-2026-82449?
- CVE-2026-82449 is a medium-severity vulnerability in Cockpit-Hq Cockpit, classified under CWE-208. CVSS score: 5.3/10. Published 2026-08-29.
- How severe is CVE-2026-82449?
- Medium severity. CVSS v3 base score is 5.3 out of 10.