CVE-2026-42031 CKAN: Unauthenticated SQL Injection and Authorization Bypass in `datastore_search_sql`
Unauthenticated attackers can inject SQL to access private resources and PostgreSQL system information in CKAN data portals.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-42031?
CVE-2026-42031 is a high-severity SQL injection vulnerability in ckan, published on 13 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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, a vulnerability in datastore_search_sql allowed attackers to inject SQL in order to gain access to private resources and PostgreSQL system information This vulnerability is fixed in 2.10.10 and 2.11.5.
Weakness: CWE-89
Which versions are affected by CVE-2026-42031?
5 open source packages ship an affected version, including ckan. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
ckan PyPI | All versions | 2.10.10, 2.11.5 |
ckan PyPI | All versions | 2.10.10 |
ckan PyPI | All versions | 2.10.10 |
ckan PyPI | From 2.11.0 | 2.11.5 |
ckan PyPI | From 2.11.0 | 2.11.5 |
Products include Okfn Ckan.
How do I fix CVE-2026-42031?
Upgrade ckan to a fixed version for your release line: 2.10.10 or 2.11.5.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-42031 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-42031 exists.
Public exploit code: 1 Nuclei template and 1 proofs of concept on GitHub.
Other vulnerabilities in ckan
- CVE-2023-32321 CKAN remote code execution and private information access via crafted resource ids
- CVE-2023-32696 Excessive permissions for ckan user
- CVE-2022-43685 CKAN contains Improper Authentication leading to account takeover
- CVE-2023-22746 CKAN is vulnerable to session secret shared across instances using Docker images
- CVE-2024-41675 CKAN has a Cross-site Scripting vector in the Datatables view plugin
Sources
Also known as GHSA-h7j7-3rx6-xvcg, PYSEC-2026-2417.