What’s Vulnerable › Vulnerabilities

CVE-2026-109379: Cockpit CMS 2.14.1 Account Enumeration via Timing Discrepancy in /auth/check

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-12 · updated 2026-10-16
• Weakness: CWE-208

Description

Cockpit CMS 2.14.1 contains an observable timing discrepancy vulnerability that allows unauthenticated attackers to enumerate accounts due to an incomplete timing fix in /auth/check. Attackers can post login attempts and measure response times, since existing accounts incur two bcrypt operations versus one, revealing valid usernames and email addresses.

Affected products

• cockpit-hq/cockpit: from 2.14.1 through 2.14.1

References

• https://github.com/Cockpit-HQ/Cockpit
• https://github.com/Cockpit-HQ/Cockpit/blob/2.14.1/modules/App/Controller/Auth.php
• https://github.com/Cockpit-HQ/Cockpit/blob/2.14.1/modules/App/Helper/Auth.php
• https://github.com/Cockpit-HQ/Cockpit/commit/5d65ae7b63a261a63e8809e5fba857ef3eadb2ac
• https://github.com/Cockpit-HQ/Cockpit/issues/328
• https://www.vulncheck.com/advisories/cockpit-cms-2.14.1-account-enumeration-via-timing-discrepancy-in-auth-check

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