CVE-2026-41132 PUBLISHED

CKAN: No certificate validation on STMP connection

Assigner: GitHub_M
Reserved: 17.04.2026 Published: 13.05.2026 Updated: 13.05.2026

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.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U
CVSS Score: 6.6

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	ckan
Product	ckan
Versions	Version >= 2.11.0, < 2.11.5 is affected Version < 2.10.10 is affected

References

https://github.com/ckan/ckan/security/advisories/GHSA-mpfm-fpgx-647q

Problem Types

CWE-295: Improper Certificate Validation CWE