Medium

CKAN has no certificate validation on STMP connection

  • Disclosed: 29.04.2026
  • Updated: 11.10.2026 14:17

Impact

Configured SMTP server may be spoofed with any certificate (e.g. self-signed), leaving credentials and all emails sent open to MITM attacks.

Patches

The vulnerability has been patched in CKAN 2.10.10 and CKAN 2.11.5

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
Python (PyPI) ckan >= 2.11.0, < 2.11.5, < 2.10.10 2.11.5, 2.10.10

References

CVSS score -
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
Weakness (CWE)
CWE-295
Platform
Python (PyPI)
Package
ckan
Disclosed
29.04.2026
Updated
11.10.2026 14:17

Sources and licenses

OSV / GitHub Advisory Database - PYSEC-2026-2419 - PyPA Advisory Database; CC BY 4.0

OSV / GitHub Advisory Database - GHSA-mpfm-fpgx-647q - CC BY 4.0

Vulnerability history: ckan

All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (15) in the archive
Total entries
15
First → latest
12.2021 04.2026
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • Critical 1
  • High 3
  • Medium 11

Disclosures per year

  1. 2021: 1
  2. 2022: 1
  3. 2023: 2
  4. 2024: 4
  5. 2025: 3
  6. 2026: 4
Severity:
  1. High CVE-2026-42031 < 2.10.10, >= 2.11.0, < 2.11.5 2.10.10, 2.11.5
  2. CKAN has no certificate validation on STMP connection this entry
    Medium CVE-2026-41132 >= 2.11.0, < 2.11.5, < 2.10.10 2.11.5, 2.10.10
  3. High · 7.3 CVE-2025-24372 < 2.10.7, >= 2.11.0, < 2.11.2 2.10.7, 2.11.2
  4. Critical · 9.8 CVE-2023-32321 < 2.9.9, = 2.10.0 2.9.9

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