CVE-2026-41132

CKAN: No certificate validation on STMP connection

Published May 13, 2026 CVSS 4.0 · 6.6 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-mpfm-fpgx-647q CKAN has no certificate validation on STMP connection
History
Type Values Removed Values Added
First Time appeared Okfn
Okfn ckan
CPEs cpe:2.3:a:okfn:ckan:*:*:*:*:*:*:*:*
Vendors & Products Okfn
Okfn ckan
Metrics cvssV3_1

{'score': 7.4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Ckan
Ckan ckan
Vendors & Products Ckan
Ckan ckan
Type Values Removed Values Added
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.
Title CKAN: No certificate validation on STMP connection
Weaknesses CWE-295
References
Metrics cvssV4_0

{'score': 6.6, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
May 14, 2026, 3:42 PM
Reserved
Apr 17, 2026, 12:59 PM
Status
Analyzed
Published
May 13, 2026, 7:17 PM
Modified
Nov 11, 2026, 8:10 PM