CVE-2026-22306 PUBLISHED

Critical flaw impacting OZOLS ERP's automatic update channel

Assigner: ENISA
Reserved: 07.01.2026 Published: 19.08.2026 Updated: 19.08.2026

Download of code without integrity check, inclusion of functionality from untrusted control sphere, and cleartext transmission of sensitive information vulnerability in Ozols Grupa OZOLS on Windows caused by an abandoned auto-update domain. Affected component: the automatic update channel - OzolsSQL client update path, the <db>_update SQL Server Agent job (@subsystem = N'ActiveScripting') and serv_update.vbs.

This issue affects OZOLS: before 1.1.1233.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CVSS Score: 10

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	High	Integrity	High
Attack Requirements	None	Availability	High	Availability	High
Privileges Required	None
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS Score: 10

Attack Vector	Network	Scope	Changed
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Ozols Grupa
Product	OZOLS
Versions	Default: unaffected affected from 0 to 1.1.1233 (excl.)

Workarounds

disable or delete the <db>_update SQL Server Agent job and remove serv_update.vbs;
block outbound access from database servers and workstations to its2.lv / www2.its2.lv, and restrict arbitrary outbound HTTP from those hosts;
disable xp_cmdshell on affected SQL Server instances;
run the SQL Server service under a least-privilege account;
inspect the sprg table for unexpected version increments or archive contents.

Credits

Nils Putniņš, OffSeq (SIA SEQ) finder
CERT.LV coordinator

References

https://offseq.com/en/research/ozols-cve-2026-22306

Problem Types

CWE-494 Download of code without integrity check CWE
CWE-829 Inclusion of functionality from untrusted control sphere CWE
CWE-319 Cleartext transmission of sensitive information CWE

Impacts

CAPEC-186 Malicious Software Update
CAPEC-187 Malicious Automated Software Update via Redirection