{"id":"CVE-2026-26938","summary":"Improper Neutralization of Special Elements Used in a Template Engine in Kibana Workflows Leading to Server-Side Request Forgery (SSRF)","details":"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.","aliases":["BIT-elk-2026-26938","BIT-kibana-2026-26938"],"modified":"2026-08-12T03:51:42.204167682Z","published":"2026-02-26T17:56:48.611Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26938.json","unresolved_ranges":[{"extracted_events":[{"introduced":"9.3.0"},{"last_affected":"9.3.0"}],"source":"AFFECTED_FIELD"}],"cna_assigner":"elastic","cwe_ids":["CWE-1336"]},"references":[{"type":"WEB","url":"https://discuss.elastic.co/t/kibana-9-3-1-security-update-esa-2026-17/385253"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26938.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-26938"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/elastic/elasticsearch","events":[{"introduced":"17b451d8979a29e31935fe1eb901310350b30e62"},{"last_affected":"17b451d8979a29e31935fe1eb901310350b30e62"}],"database_specific":{"extracted_events":[{"introduced":"9.3.0"},{"last_affected":"9.3.0"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:elastic:kibana:9.3.0:*:*:*:*:*:*:*"}}],"versions":["9.3.0","v9.3.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-26938.json"}},{"ranges":[{"type":"GIT","repo":"https://github.com/elastic/kibana","events":[{"introduced":"30ab63cc0017fe2da7a84fb9b285dd762468802d"},{"last_affected":"30ab63cc0017fe2da7a84fb9b285dd762468802d"}],"database_specific":{"cpe":"cpe:2.3:a:elastic:kibana:9.3.0:*:*:*:*:*:*:*","extracted_events":[{"introduced":"9.3.0"},{"last_affected":"9.3.0"}],"source":"CPE_STRING"}}],"versions":["9.3.0","v9.3.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-26938.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N"}]}