{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-23927", "assignerOrgId": "72de3e22-0555-4a0d-ae81-9249e0f0a1e8", "state": "PUBLISHED", "assignerShortName": "Zabbix", "dateReserved": "2026-01-19T14:02:54.327Z", "datePublished": "2026-05-06T06:59:42.854Z", "dateUpdated": "2026-05-06T06:59:42.854Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "72de3e22-0555-4a0d-ae81-9249e0f0a1e8", "shortName": "Zabbix", "dateUpdated": "2026-05-06T06:59:42.854Z"}, "title": "Agent 2 Oracle plugin TNS connection string injection via the 'service' parameter", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-522", "description": "CWE-522: Insufficiently Protected Credentials", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-194", "descriptions": [{"lang": "en", "value": "CAPEC-194: Fake the Source of Data"}]}], "affected": [{"vendor": "Zabbix", "product": "Zabbix", "repo": "https://git.zabbix.com/", "modules": ["Agent2"], "versions": [{"status": "affected", "version": "6.0.0", "lessThanOrEqual": "6.0.44", "changes": [{"at": "6.0.45", "status": "unaffected"}], "versionType": "git"}, {"status": "affected", "version": "7.0.0", "lessThanOrEqual": "7.0.23", "changes": [{"at": "7.0.24", "status": "unaffected"}], "versionType": "git"}, {"status": "affected", "version": "7.4.0", "lessThanOrEqual": "7.4.7", "changes": [{"at": "7.4.8", "status": "unaffected"}], "versionType": "git"}], "defaultStatus": "unknown"}], "descriptions": [{"lang": "en", "value": "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.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>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.</p>"}]}], "references": [{"url": "https://support.zabbix.com/browse/ZBX-27759"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "HIGH", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "LOW", "subIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 5.1, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:L/VA:N/SC:H/SI:H/SA:N"}}], "configurations": [{"lang": "en", "value": "An attacker sending malicious requests to Agent 2 monitoring an Oracle database.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>An attacker sending malicious requests to Agent 2 monitoring an Oracle database.</p>"}]}], "workarounds": [{"lang": "en", "value": "Don't use named sessions for Oracle database monitoring.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Don't use named sessions for Oracle database monitoring.</p>"}]}], "solutions": [{"lang": "en", "value": "Update the affected components to their respective fixed versions.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Update the affected components to their respective fixed versions.</p>"}]}], "credits": [{"lang": "en", "value": "Zabbix wants to thank kelsier from clocktwice.com for submitting this report on the HackerOne bug bounty platform.", "type": "reporter"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.2"}}}}

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