CVE-2026-107269

LOW 3.7

Gophish through 0.12.1 Username Enumeration via POST /login Timing Discrepancy

CVSS Score

3.7

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-208
Vendor	gophish
Product	gophish
Published	Oct 7, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Affected Versions

gophish / gophish

0 ≤ 0.12.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

Sohaib Harraoui (Ostorlab)