CVE-2026-26336

Hyland Alfresco Improper Authorization Arbitrary File Read

State: Published
Severity: 8.7 High
Published: Feb 19, 2026
Updated: May 11, 2026
Reserved: Feb 13, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N	VulnCheck
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	VulnCheck

Weaknesses

CWE-863 Incorrect Authorization

Affected Products

Product	Versions
Alfresco EnterpriseHyland	7.4.0 to before 7.4.2.6Affected 23.6.0 to before 23.6.1Affected 25.1.0 to before 25.3.0Affected
Alfresco CommunityHyland	before 25.3.0Affected

References

https://connect.hyland.com/t5/alfresco-blog/cve-2026-26336-unauthenticated-arbitrary-file-read-in-alfresco/ba-p/496550vendor-advisorypatch
https://www.hyland.com/en/solutions/products/alfresco-platformproduct
https://www.vulncheck.com/advisories/hyland-alfresco-improper-authorization-arbitrary-file-readthird-party-advisory

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