{"id":"CVE-2026-26337","aliases":["EUVD-2026-8381","GHSA-3453-mrqq-23pm"],"status":"published","title":"Hyland Alfresco Transformation Service Absolute Path Traversal Arbitrary File Read and SSRF","description":"Hyland Alfresco Transformation Service allows unauthenticated attackers to achieve both arbitrary file read and server-side request forgery through the absolute path traversal.","severity":{"version":"4.0","score":8.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00407,"percentile":0.35303,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-36"],"published":"2026-02-19T17:01:25Z","modified":"2026-10-28T02:30:34Z","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-absolute-path-traversal-arbitrary-file-read-and-ssrf","tags":["third-party-advisory","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-26337","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-3453-mrqq-23pm"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26337.json","tags":["advisory"]},{"url":"https://github.com/Alfresco/alfresco-transform-core","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-26337","title":"Hyland Alfresco Transformation Service Absolute Path Traversal Arbitrary File Read and SSRF","description":"Hyland Alfresco Transformation Service allows unauthenticated attackers to achieve both arbitrary file read and server-side request forgery through the absolute path traversal.","status":"published","published":"2026-02-19T17:01:25.527Z","modified":"2026-07-28T01:48:23.79Z","cvss":[{"version":"4.0","score":8.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-36"],"updated_at":"2026-11-02T13:38:20.971157Z"}],"euvd":[{"id":"EUVD-2026-8381","description":"Hyland Alfresco Transformation Service allows unauthenticated attackers to achieve both arbitrary file read and server-side request forgery through the absolute path traversal.","status":"published","published":"2026-02-19T17:01:25Z","modified":"2026-07-28T01:48:23Z","cvss":[{"version":"4.0","score":8.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T18:02:32.608142Z"}],"ghsa":[{"id":"GHSA-3453-mrqq-23pm","title":"Hyland Alfresco Transformation 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traversal.","status":"published","published":"2026-02-19T17:01:25.527Z","modified":"2026-10-28T02:30:34.879947324Z","cvss":[{"version":"4.0","score":8.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-36"],"updated_at":"2026-11-02T15:44:59.80315Z"}]}}