CVE-2026-26336

EUVD-2026-8378
Hyland Alfresco allows unauthenticated attackers to read arbitrary files from protected directories (like WEB-INF) via the "/share/page/resource/" endpoint, thus leading to the disclosure of sensitive configuration files.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Affected Products (NVD)
VendorProductVersion
hylandalfresco_content_services
𝑥
< 25.3
hylandalfresco_content_services
7.4.0 ≤
𝑥
≤ 7.4.2.5
hylandalfresco_content_services
23.1 ≤
𝑥
≤ 23.6.0
hylandalfresco_content_services
25.1 ≤
𝑥
≤ 25.2
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://connect.hyland.com/t5/alfresco-blog/cve-2026-26336-unauthenticated-arbitrary-file-read-in-alfresco/ba-p/496550
https://www.hyland.com/en/solutions/products/alfresco-platform
https://www.vulncheck.com/advisories/hyland-alfresco-improper-authorization-arbitrary-file-read