CVE-2026-42425

OpenKM 6.3.12 contains an unrestricted SQL execution vulnerability that allows authenticated administrative users to execute arbitrary SQL statements against the application database via the DatabaseQuery interface. Attackers can submit malicious SQL queries through the qs parameter to the /admin/DatabaseQuery endpoint to extract sensitive data including usernames and password hashes from the OKM_USER table, modify permissions, or delete database records.

CVSS 4.0

8.6CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

7.2CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS

0.6% chance of exploitation in the next 30 days; higher than 50% of CVEs (scores of 2026-10-25)

CWE

CWE-89

Published

2026-05-26

Modified

2026-10-06

Record from

the NVD, synced 2026-10-19

References

• https://github.com/terrasystemlabs/Exploits/tree/main/OpenKM-Exploits
• https://github.com/terrasystemlabs/Exploits/tree/main/OpenKM-Exploits/nuclei-templates/openkm-sql-database-query
• https://hub.docker.com/r/openkm/openkm-ce
• https://terrasystemlabs.com/post?slug=openkm-zero-day-vulnerabilities-terra-system-labs
• https://www.exploit-db.com/exploits/52520

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