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 v4.0

8.6 HIGHCVSS: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:X/V:X/RE:X/U:X

CVSS v3.1

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

EPSS

0.64% chance of exploitation in the next 30 days, 48th percentile

Published

2026-05-26

Proof-of-concept exploits (2)

• https://www.exploit-db.com/exploits/52520
• terrasystemlabs/Exploits/tree/main/OpenKM-Exploits

References

• CVE Record
• NVD entry

Related

• CVE-2025-25462
• CVE-2026-41917
• CVE-2026-42785
• CVE-2026-4242
• CVE-2026-4243
• CVE-2026-4241