High severity · published Feb 19, 2026
CVE-2026-26336
Hyland Alfresco Improper Authorization Arbitrary File Read
7.5
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AC
Alfresco Community · Hyland
before 25.3.0 · source: vendor
AE
Alfresco Enterprise · Hyland
7.4.0 before 7.4.2.6; 23.6.0 before 23.6.1; 25.1.0 before 25.3.0 · source: vendor
AC
Alfresco Content Services · Hyland
before 25.3; 7.4.0 through 7.4.2.5; 23.1 through 23.6.0; 25.1 through 25.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-26336
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-26336
Vendor Advisory
https://connect.hyland.com/t5/alfresco-blog/cve-2026-26336-unauthenticated-arbitrary-file-read-in-alfresco/ba-p/496550
Product
https://www.hyland.com/en/solutions/products/alfresco-platform
Third Party Advisory
https://www.vulncheck.com/advisories/hyland-alfresco-improper-authorization-arbitrary-file-read