What’s Vulnerable › Vulnerabilities

CVE-2026-107269: Gophish through 0.12.1 Username Enumeration via POST /login Timing Discrepancy

• Severity: low (CVSS 3.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-07 · updated 2026-10-10
• Weakness: CWE-208

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.

Affected products

• gophish: through 0.12.1

References

• https://blog.ostorlab.co/gophish-0121-manual-review-agentic-deep-scan.html
• https://github.com/gophish/gophish
• https://github.com/gophish/gophish/blob/b1648f0759c6d57ac989157c55d8b47c40254fe6/controllers/route.go#L375-L390
• https://www.vulncheck.com/advisories/gophish-through-0.12.1-username-enumeration-via-post-login-timing-discrepancy

Get alerted when CVE-2026-107269 or the next vulnerability affects your stack