{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-26938", "assignerOrgId": "271b6943-45a9-4f3a-ab4e-976f3fa05b5a", "state": "PUBLISHED", "assignerShortName": "elastic", "dateReserved": "2026-02-16T16:42:05.774Z", "datePublished": "2026-02-26T17:56:48.611Z", "dateUpdated": "2026-02-26T17:56:48.611Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Kibana", "vendor": "Elastic", "versions": [{"lessThanOrEqual": "9.3.0", "status": "affected", "version": "9.3.0", "versionType": "semver"}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Improper Neutralization of Special Elements Used in a Template Engine (CWE-1336) exists in Workflows in Kibana which could allow an attacker to read arbitrary files from the Kibana server filesystem, and perform Server-Side Request Forgery (SSRF) via Code Injection (CAPEC-242). This requires an authenticated user who has the workflowsManagement:executeWorkflow privilege.</p>"}], "value": "Improper Neutralization of Special Elements Used in a Template Engine (CWE-1336) exists in Workflows in Kibana which could allow an attacker to read arbitrary files from the Kibana server filesystem, and perform Server-Side Request Forgery (SSRF) via Code Injection (CAPEC-242). This requires an authenticated user who has the workflowsManagement:executeWorkflow privilege."}], "impacts": [{"capecId": "CAPEC-242", "descriptions": [{"lang": "en", "value": "CAPEC-242 Code Injection"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseSeverity": "HIGH", "baseScore": 8.6, "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-1336", "description": "CWE-1336 Improper Neutralization of Special Elements Used in a Template Engine", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "271b6943-45a9-4f3a-ab4e-976f3fa05b5a", "shortName": "elastic", "dateUpdated": "2026-02-26T17:56:48.611Z"}, "references": [{"url": "https://discuss.elastic.co/t/kibana-9-3-1-security-update-esa-2026-17/385253"}], "source": {"discovery": "Elastic"}, "title": "Improper Neutralization of Special Elements Used in a Template Engine in Kibana Workflows Leading to Server-Side Request Forgery (SSRF)", "x_generator": {"engine": "Elastic CVE Publisher 0.0.1"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Special Elements Used in a Template Engine (CWE-1336) exists in Workflows in Kibana which could allow an attacker to read arbitrary files from the Kibana server filesystem, and perform Server-Side Request Forgery (SSRF) via Code Injection (CAPEC-242). This requires an authenticated user who has the workflowsManagement:executeWorkflow privilege."}], "id": "CVE-2026-26938", "lastModified": "2026-02-26T19:32:39.903", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.0, "source": "security@elastic.co", "type": "Secondary"}]}, "published": "2026-02-26T19:32:39.903", "references": [{"source": "security@elastic.co", "url": "https://discuss.elastic.co/t/kibana-9-3-1-security-update-esa-2026-17/385253"}], "sourceIdentifier": "security@elastic.co", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1336"}], "source": "security@elastic.co", "type": "Secondary"}]}

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