Critical severity · published Feb 19, 2026
CVE-2026-26338
Hyland Alfresco Transformation Service SSRF
9.8
CVSS
0.4%
EPSS
No
On KEV
Description
Hyland Alfresco Transformation Service allows unauthenticated attackers to achieve server-side request forgery (SSRF) through the document processing functionality.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 36% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AC
Alfresco Community (Transform Core) · Hyland
before 5.3.0 · source: vendor
AT
Alfresco Transformation Service (Enterprise) · Hyland
before 4.3.0 · source: vendor
AT
Alfresco Transform Core · Hyland
before 5.3.0; 5.3.0 · source: NVD
AT
Alfresco Transform Service · Hyland
before 4.3 · source: NVD
Affected product
AC
Alfresco Community (Transform Core)
Hyland
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-26338
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-26338
Vendor Advisory
https://connect.hyland.com/t5/alfresco-blog/security-update-cve-2026-26337-cve-2026-26338-cve-2026-26339/ba-p/496551
Product
https://www.hyland.com/en/solutions/products/alfresco-platform
Third Party Advisory
https://www.vulncheck.com/advisories/hyland-alfresco-transformation-service-ssrf
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