CVE-2026-23927

Agent 2 Oracle plugin TNS connection string injection via the 'service' parameter

MEDIUM
6.5
CVSS Score
Published: May 6, 2026 at 06:59 AM UTC
Updated: September 18, 2026 at 03:39 PM UTC
1 product affected across 1 vendorZabbix

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

6.0.0 ≤ v ≤ 6.0.446.0.0 ≤ v < 6.0.457.0.0 ≤ v ≤ 7.0.237.0.0 ≤ v < 7.0.247.4.0 ≤ v ≤ 7.4.77.4.0 ≤ v < 7.4.86.0.07.0.07.4.0
Affected range stops below 6.0.45, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.0.24, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.4.8, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: cverecord
https://support.zabbix.com/browse/ZBX-27759

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-522

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