CVE-2026-41132

HIGH

CKAN: No certificate validation on STMP connection

Title source: cna
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 7.4
EPSS 0.0001
EPSS Percentile 0.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-295
Status published
Products (5)
ckan/ckan < 2.10.10
ckan/ckan >= 2.11.0, < 2.11.5
okfn/ckan < 2.10.10
pypi/ckan 0 - 2.10.10PyPI
pypi/ckan 2.11.0 - 2.11.5PyPI
Published May 13, 2026
Tracked Since May 14, 2026