CVE-2026-107269
Gophish through 0.12.1 Username Enumeration via POST /login Timing Discrepancy
gophish gophish
CVSS
6.3MediumExploitationPublic exploit codeCISA's assessment says proof of concept code is public, assessed 10 Oct 2026. Not in the KEV catalogCISA via CVE List
Exploit odds (EPSS)0.24%Chance of exploitation activity in the next 30 days, higher than 14% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
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.
Text from CVE List
Affected versions 1
- gophishaffected: all versions through 0.12.1CVE List
References 4
- vulncheck.com/advisories/gophish-through-0.12.1-username-enumeration-via-post-login-timing-discrepancyAdvisoryvia CVE List
- blog.ostorlab.co/gophish-0121-manual-review-agentic-deep-scan.htmlExploitvia CVE List
- github.com/gophish/gophish/blob/b1648f0759c6d57ac989157c55d8b47c40254fe6/controllers/route.go#L375-L390Referencevia CVE List
- github.com/gophish/gophishReferencevia CVE List