{ "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": "2026-05-06T13:00:17.802Z" }, "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": "

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.

" } ] } ], "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": "

An attacker sending malicious requests to Agent 2 monitoring an Oracle database.

" } ] } ], "workarounds": [ { "lang": "en", "value": "Don't use named sessions for Oracle database monitoring.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "

Don't use named sessions for Oracle database monitoring.

" } ] } ], "solutions": [ { "lang": "en", "value": "Update the affected components to their respective fixed versions.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "

Update the affected components to their respective fixed versions.

" } ] } ], "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" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-05-06T13:00:05.597736Z", "id": "CVE-2026-23927", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-06T13:00:17.802Z" } } ] } }