Skip to content
CVE Tracker
  • Newest CVEsPage
  • Recently added to KEVPage
  • Rising exploitation (EPSS)Page
  • Weekly digestPage
  • StatisticsPage
  • WatchlistPage
  • API documentationPage
  • MCP serverPage
  • Data sourcesPage
  • ChangelogPage
  • AboutPage
  • How it's builtPage
Back

CVE-2026-23927

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

Medium5.1EPSS 0.22%
Published
Updated
Reserved
Assigned by
Zabbix

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.

Scores

CVSS scores of CVE-2026-23927, by who scored it
Scored byCVSSScoreVector
ZabbixCNA (assigner)4.0Medium5.1CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:L/VA:N/SC:H/SI:H/SA:N
NVDNVD · Analyzed4.0Medium5.1CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:L/VA:N/SC:H/SI:H/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
EPSS (exploitation in 30 days)
0.22% · top 87% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.1.

Weakness

Affected products

  • Zabbix · Zabbix

    • affected 6.0.0 – ≤ 6.0.44
    • affected 7.0.0 – ≤ 7.0.23
    • affected 7.4.0 – ≤ 7.4.7

What to do

Solution: Update the affected components to their respective fixed versions.

Workaround: Don't use named sessions for Oracle database monitoring.

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2026-23927 badge
[![CVE-2026-23927](https://trackcve.app/badge/CVE-2026-23927.svg)](https://trackcve.app/cve/CVE-2026-23927)

Record last updated .