Vulnerability details

CVE-2026-26337

Hyland Alfresco CommunityHyland Alfresco Transformation Service

Hyland Alfresco Transformation Service Absolute Path Traversal Arbitrary File Read and SSRF

CVSS 4.0

8.8High

Official description

Hyland Alfresco Transformation Service allows unauthenticated attackers to achieve both arbitrary file read and server-side request forgery through the absolute path traversal.

CVSS scores

Score	Version	Source	Vector
8.8High	4.0	CVEProject cvelistV5 (CNA) (VulnCheck)	`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`
8.2High	3.1	CVEProject cvelistV5 (CNA) (VulnCheck)	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N`

Affected products

Vendor	Product	Versions	Source
Hyland	Alfresco Community (Transform Core)	v < 5.3.0	CVEProject cvelistV5 (CNA)
Hyland	Alfresco Transformation Service (Enterprise)	v < 4.3.0	CVEProject cvelistV5 (CNA)

References and advisories

https://connect.hyland.com/t5/alfresco-blog/security-update-cve-2026-26337-cve-2026-26338-cve-2026-26339/ba-p/496551 vendor-advisorypatch
https://www.hyland.com/en/solutions/products/alfresco-platform product
https://www.vulncheck.com/advisories/hyland-alfresco-transformation-service-absolute-path-traversal-arbitrary-file-read-and-ssrf third-party-advisory

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Details

Published: 2026-02-19
Last updated: 2026-07-28
State: Published
Assigner (CNA): VulnCheck

Exploit prediction (EPSS)

0.4%

Probability of exploitation in 30 days

35.2%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: Yes
Exploitation: None
Technical impact: Partial

Weaknesses (CWE)

CWE-36
Absolute Path Traversal