Medium severity · published May 6, 2026
CVE-2026-23927
Agent 2 Oracle plugin TNS connection string injection via the 'service' parameter
6.5
CVSS
0.2%
EPSS
No
On KEV
Description
A user able to connect to Agent 2 can inject an Oracle TNS connection string via the 'service' parameter. This can lead to Agent 2 connecting to an attacker-controlled server and leaking Oracle database credentials if they are saved in a named session.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 13% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZA
Zabbix · Zabbix
6.0.0 through 6.0.44; 7.0.0 through 7.0.23; 7.4.0 through 7.4.7 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-23927
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-23927
Vendor Advisory
https://support.zabbix.com/browse/ZBX-27759
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