CVE-2026-42425

high

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.

References

https://terrasystemlabs.com/post?slug=openkm-zero-day-vulnerabilities-terra-system-labs

https://www.exploit-db.com/exploits/52520

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

https://www.openkm.com/

https://hub.docker.com/r/openkm/openkm-ce

https://github.com/terrasystemlabs/Exploits/tree/main/OpenKM-Exploits/nuclei-templates/openkm-sql-database-query

https://github.com/terrasystemlabs/Exploits/tree/main/OpenKM-Exploits

Details

Source: Mitre, NVD

Published: 2026-05-26

Updated: 2026-05-26

Risk Information

CVSS v2

Base Score: 8.3

Vector: CVSS2#AV:N/AC:L/Au:M/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.2

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

Severity: High

CVSS v4

Base Score: 8.6

Vector: 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

Severity: High

EPSS

EPSS: 0.00033