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Vulnerability record · CVE-2026-42425 · published 26 May 2026

CVE-2026-42425: SQL injection vulnerability

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.

8.6 CVSS 4.0 High EPSS 0.89% · top 42.2% CWE-89 · SQL injection Deferred
8.6CVSS 4.0 base score
0.89%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
7References
24 Jul 2026Last modified by NVD

Description

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/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/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:

References

LinkTags
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
https://www.openkm.com/
https://www.vulncheck.com/advisories/openkm-unrestricted-sql-execution-via-databasequery

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Source: NIST National Vulnerability Database (record CVE-2026-42425), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.