CVE-2026-107269 Gophish through 0.12.1 Username Enumeration via POST /login Timing Discrepancy
Unauthenticated attackers can enumerate valid usernames in Gophish by measuring login response time discrepancies, facilitating targeted credential attacks.
- 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-2026-107269?
CVE-2026-107269 is a medium-severity vulnerability in gophish, published on 7 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Gophish through 0.12.1 contains a timing discrepancy vulnerability in AdminServer.Login that allows unauthenticated attackers to enumerate valid usernames by measuring login response times. Attackers can submit candidate usernames to POST /login and detect bcrypt comparison delays for existing accounts, narrowing targets for password guessing or credential stuffing.
Weakness: CWE-208
Which versions are affected by CVE-2026-107269?
How do I fix CVE-2026-107269?
No fix has been published for CVE-2026-107269 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-107269 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-107269 exists.
Sources
Also known as GHSA-7g89-3w9x-xw88.