CVE-2026-82449 Cockpit CMS before 2.14.1 Account Enumeration via Auth Timing
Attackers can enumerate valid user accounts in Cockpit CMS by analyzing response time differences during authentication attempts.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-82449?
CVE-2026-82449 is a medium-severity vulnerability in cockpit-hq cockpit, published on 29 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-208
Which versions are affected by CVE-2026-82449?
How do I fix CVE-2026-82449?
No fix has been published for CVE-2026-82449 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-82449 being exploited?
There is no known exploitation of CVE-2026-82449 in the wild and no public exploit code.
Sources
Also known as GHSA-x5j5-9mrv-74fr.