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Exploitation reportedNot in CISA KEV yetFix available

CVE-2026-42031

Exploitation reported by one source. First attested on 2026-09-10 by GCVE · previdian.

  • Published2026-05-13
  • Fixed in2.11.5 · 2.10.10
  • WeaknessCWE-89

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2026-05-1319:17CVE publishedNVD
  2. 2026-09-1009:03Listed as exploited by GCVEGCVE
  3. 2026-09-1009:03Exploitation first reportedGCVE
  4. 2026-10-2319:23First public proof of conceptPoC-in-GitHub

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2026-42031?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2026-42031?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Okfn ckan
BranchAffectedFixed in
2.11≥ 2.11.0, < 2.11.52.11.5
2.10< 2.10.102.10.10

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Okfn ckan to 2.11.5 · 2.10.10

Advisories and patches

Detection

read 2026-10-23 19:25 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
1 repository, unverifiedddrvahandzo90-hue/CVE-2026-42031-SQL-Injection-Scanner
PoC-in-GitHub

Sources

  • GCVEexploitation2026-09-10
  • CISA-ADPSSVC decisionnone2026-05-15
  • OpenCVESSVC decisionnone—
  • CNACVSS 4.08.3read 2026-10-23
  • NVDCVSS 3.19.8read 2026-10-23
  • CNAweakness (CWE)CWE-89read 2026-10-23
  • FIRST EPSSEPSS score2.2 %2026-10-22
  • PoC-in-GitHubproof of concept1read 2026-10-23

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 4.0 vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
2026-05-13
Last Modified
2026-06-17
NVD status
Analyzed

Frequently asked questions

What is CVE-2026-42031?

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.

Is CVE-2026-42031 actively exploited?

Active exploitation of CVE-2026-42031 has not been confirmed. Its EPSS score was 2.2% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-42031?

CVE-2026-42031 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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