{"id":"CVE-2026-26339","aliases":["EUVD-2026-7801","GHSA-w8hr-79rx-368j"],"status":"published","title":"Hyland Alfresco Transformation Service Argument Injection RCE","description":"Hyland Alfresco Transformation Service allows unauthenticated attackers to achieve remote code execution through the argument injection vulnerability, which exists in the document processing functionality.","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00632,"percentile":0.50746,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-918"],"published":"2026-02-19T17:04:46Z","modified":"2026-10-28T02:30:26Z","products":[{"vendor":"hyland","product":"alfresco community (transform core)"},{"vendor":"hyland","product":"alfresco transformation service (enterprise)"},{"vendor":"hyland","product":"alfresco_transform_core"},{"vendor":"hyland","product":"alfresco_transform_service"}],"references":[{"url":"https://connect.hyland.com/t5/alfresco-blog/security-update-cve-2026-26337-cve-2026-26338-cve-2026-26339/ba-p/496551","tags":["vendor-advisory","patch","Vendor Advisory","fix"]},{"url":"https://www.hyland.com/en/solutions/products/alfresco-platform","tags":["product","Product","web"]},{"url":"https://www.vulncheck.com/advisories/hyland-alfresco-transformation-service-argument-injection-rce","tags":["third-party-advisory","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-26339","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-w8hr-79rx-368j"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26339.json","tags":["advisory"]},{"url":"https://github.com/Alfresco/alfresco-transform-core","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-26339","title":"Hyland Alfresco Transformation Service Argument Injection RCE","description":"Hyland Alfresco Transformation Service allows unauthenticated attackers to achieve remote code execution through the argument injection vulnerability, which exists in the document processing 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functionality.","status":"published","published":"2026-02-19T17:04:46.617Z","modified":"2026-10-28T02:30:26.873745414Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:44:59.80315Z"}]}}