What’s Vulnerable › Vulnerabilities

CVE-2026-82449: Cockpit CMS before 2.14.1 Account Enumeration via Auth Timing

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-29 · updated 2026-08-31
• Weakness: CWE-208

Description

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.

Affected products

• cockpit-hq/cockpit: before 2.14.1 — fixed in 2.14.1

How to fix

Upgrade to a fixed version: cockpit-hq/cockpit 2.14.1. Check the vendor advisory for mitigations.

References

• https://github.com/Cockpit-HQ/Cockpit
• https://github.com/Cockpit-HQ/Cockpit/blob/2.14.0/modules/App/Controller/Auth.php
• https://github.com/Cockpit-HQ/Cockpit/commit/5d65ae7b63a261a63e8809e5fba857ef3eadb2ac
• https://link.mateocallec.com/MFC-2026-001
• https://www.vulncheck.com/advisories/cockpit-cms-before-2.14.1-account-enumeration-via-auth-timing

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