Vulnerability in Gophish
CVE-2026-107269
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- blog.ostorlab.co/gophish-0121-manual-review-agentic-deep-scan.html (technical-description, exploit)
- github.com/gophish/gophish/blob/b1648f0759c6d57ac989157c55d8b47c40254fe6/contro… (technical-description)
- github.com/gophish/gophish (product)
- www.vulncheck.com/advisories/gophish-through-0.12.1-username-enumeration-via-po… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-107269?
- CVE-2026-107269 is a low-severity vulnerability in Gophish, classified under CWE-208. CVSS score: 3.7/10. Published 2026-10-07.
- How severe is CVE-2026-107269?
- Low severity. CVSS v3 base score is 3.7 out of 10.