CKAN: No certificate validation on STMP connection
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-295.
Summary
CKAN is an open-source DMS (data management system) for powering data hubs and data portals. Prior to 2.10.10 and 2.11.5, the configured SMTP server may be spoofed with any certificate (e.g. self-signed), leaving credentials and all emails sent open to MITM attacks. This vulnerability is fixed in 2.10.10 and 2.11.5.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| ckan | ckan | 2.11.0 to before 2.11.5; before 2.10.10 | 2.11.5, 2.10.10 | Patch available | CNA |
| — | ckan (PyPI) | 2.11.0 to before 2.11.5 | 2.11.5 | Patch available | GHSA-mpfm-fpgx-647q |
| — | ckan (PyPI) | before 2.10.10 | 2.10.10 | Patch available | GHSA-mpfm-fpgx-647q |
- ckan Vendorckan Affected 2.11.0 to before 2.11.5; before 2.10.10 Fixed in 2.11.5, 2.10.10 Patch available CNA
- ckan (PyPI) Vendor— Affected 2.11.0 to before 2.11.5 Fixed in 2.11.5 Patch available GHSA-mpfm-fpgx-647q
- ckan (PyPI) Vendor— Affected before 2.10.10 Fixed in 2.10.10 Patch available GHSA-mpfm-fpgx-647q
Remediation
- Fix · CNA ckan (ckan) Fixed in 2.11.5, 2.10.10
- Fix · GHSA-mpfm-fpgx-647q ckan (PyPI) Fixed in 2.11.5 Advisory →
- Fix · GHSA-mpfm-fpgx-647q ckan (PyPI) Fixed in 2.10.10 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-41132
- 2026-10-03 Alias added: GHSA-mpfm-fpgx-647q
References
More Ckan vulnerabilities
- TI-2026-29863 CKAN: CSRF exemption primed by anonymous requests CVSS 3.1MEDIUM 6.1
- TI-2021-07973 CKAN - Stored Cross-Site Scripting (XSS) via SVG File Upload CVSS 3.1MEDIUM 5.4
- TI-2023-15615 CKAN remote code execution and private information access via crafted resource ids CVSS 3.1CRITICAL 9.8
- TI-2026-30410 CKAN: Unauthenticated SQL Injection and Authorization Bypass in `datastore_search_sql` CVSS 4.0HIGH 8.3
- TI-2023-08919 CKAN is vulnerable to session secret shared across instances using Docker images CVSS 3.1HIGH 8.6
- TI-2023-15972 Excessive permissions for ckan user CVSS 3.1HIGH 8.8
Sources
- CVE-2026-41132 · CVE Program
- CVE-2026-41132 · NVD
- FIRST EPSS
- GHSA-mpfm-fpgx-647q · 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