---
id: CVE-2026-41132
aliases:
  - GHSA-mpfm-fpgx-647q
  - PYSEC-2026-2419
title: CKAN has no certificate validation on STMP connection
summary: CKAN has no certificate validation on STMP connection
severity: medium
vendor: ckan
product: ckan
ecosystem: pip
affected:
  - 'ckan >= 2.11.0, < 2.11.5'
  - ckan < 2.10.10
patched:
  - ckan 2.11.5
  - ckan 2.10.10
published: '2026-04-29'
updated: '2026-07-13'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-mpfm-fpgx-647q'
references:
  - url: 'https://github.com/ckan/ckan/security/advisories/GHSA-mpfm-fpgx-647q'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-41132'
  - url: 'https://docs.ckan.org/en/2.10/changelog.html#v-2-10-10-2026-04-29'
  - url: 'https://docs.ckan.org/en/2.11/changelog.html#v-2-11-5-2026-04-29'
  - url: 'https://github.com/ckan/ckan'
tags:
  - osv
  - pip
epss: 0.00213
epssPercentile: 0.10341
ingestedAt: '2026-07-13T18:58:00.795Z'
---

## Overview

### 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 packages

- `ckan >= 2.11.0, < 2.11.5`
- `ckan < 2.10.10`

## Remediation

Upgrade to a patched release:

- `ckan 2.11.5`
- `ckan 2.10.10`