CVE-2026-41132

CKAN: No certificate validation on STMP connection

State: Published
Severity: 6.6 Medium
Published: May 13, 2026
Updated: May 14, 2026
Reserved: Apr 17, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	6.6 Medium	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	GitHub_M

Weaknesses

CWE-295 Improper Certificate Validation

Affected Products

Product	Versions
ckanckan	>= 2.11.0, < 2.11.5Affected < 2.10.10Affected

References

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

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