Auth bypass in Gophish
CVE-2026-107270
Gophish through 0.12.1 contains an insecure direct object reference vulnerability that allows authenticated users to take over other users' groups, templates, landing pages and sending profiles. Attackers can supply another user's sequential id in POST requests to /api/groups/, /api/templates/, /api/pages/ or /api/smtp/ to overwrite and reassign objects, locking out owners and exposing victims' recipient lists.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/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/blob/b1648f0759c6d57ac989157c55d8b47c40254fe6/models… (technical-description)
- github.com/gophish/gophish (product)
- www.vulncheck.com/advisories/gophish-through-0.12.1-object-takeover-via-client-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-107270?
- CVE-2026-107270 is a high-severity vulnerability in Gophish, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.1/10. Published 2026-10-07.
- How severe is CVE-2026-107270?
- High severity. CVSS v3 base score is 7.1 out of 10.