Gophish API lets users take over other users' objects
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · High · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-639.
Summary
Gophish through 0.12.1 has an insecure direct object reference flaw (CWE-639) in its API create endpoints. An authenticated user with low privileges can supply another user's sequential id when creating groups, templates, landing pages or sending profiles, overwriting and reassigning those objects. Owners lose access and victims' recipient lists are exposed. A public exploit is linked in the references.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
The sources list no fixed version for gophish.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Timeline
- 2026-10-07 Threatist record created from CVE-2026-107270
- 2026-10-07 CISA SSVC decision points changed
- 2026-10-07 Alias added: GHSA-5h35-6pm3-mw32
References
More gophish vulnerabilities
- TI-2026-56734 Gophish Account Lockout and Forced Password Change Bypassable via API Key CVSS 4.0HIGH 8.6
- TI-2026-69198 Gophish Login Rate Limit Bypass via X-Forwarded-For Spoofing CVSS 4.0MEDIUM 6.9
- TI-2026-28778 Gophish 0.12.1 Denial of Service via Office Document Upload CVSS 4.0HIGH 7.1
- TI-2026-69190 Username enumeration via login timing discrepancy in Gophish CVSS 4.0MEDIUM 6.3
- TI-2026-69200 Gophish SSRF via POST /api/import/site CVSS 4.0MEDIUM 5.3
- TI-2026-69199 Cross-site scripting in Gophish via SMTP server error messages CVSS 4.0LOW 2.3
Sources
- CVE-2026-107270 · CVE Program
- CVE-2026-107270 · NVD
- FIRST EPSS
- GHSA-5h35-6pm3-mw32 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences