CVE-2026-26337
Hyland Alfresco Transformation Service Absolute Path Traversal Arbitrary File Read and SSRF
Description
Hyland Alfresco Transformation Service allows unauthenticated attackers to achieve both arbitrary file read and server-side request forgery through the absolute path traversal.
INFO
Published Date :
Feb. 19, 2026, 6:24 p.m.
Last Modified :
March 2, 2026, 10:03 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-26337
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | MITRE-CVE | ||||
| CVSS 4.0 | HIGH | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Apply vendor patches or updates immediately.
- Limit network access to the transformation service.
- Review and restrict file system access.
- Configure input validation strictly.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-26337.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-26337 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-26337
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-26337 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-26337 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Mar. 02, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:hyland:alfresco_transform_service:*:*:*:*:*:*:*:* versions up to (excluding) 4.3 Added CPE Configuration OR *cpe:2.3:a:hyland:alfresco_transform_core:*:*:*:*:*:*:*:* versions up to (excluding) 5.3.0 *cpe:2.3:a:hyland:alfresco_transform_core:5.3.0:alpha1:*:*:*:*:*:* Added Reference Type VulnCheck: https://connect.hyland.com/t5/alfresco-blog/security-update-cve-2026-26337-cve-2026-26338-cve-2026-26339/ba-p/496551 Types: Vendor Advisory Added Reference Type VulnCheck: https://www.hyland.com/en/solutions/products/alfresco-platform Types: Product Added Reference Type VulnCheck: https://www.vulncheck.com/advisories/hyland-alfresco-transformation-service-absolute-path-traversal-arbitrary-file-read-and-ssrf Types: Third Party Advisory -
CVE Modified by [email protected]
Feb. 20, 2026
Action Type Old Value New Value Added Reference https://connect.hyland.com/t5/alfresco-blog/security-update-cve-2026-26337-cve-2026-26338-cve-2026-26339/ba-p/496551 -
New CVE Received by [email protected]
Feb. 19, 2026
Action Type Old Value New Value Added Description Hyland Alfresco Transformation Service allows unauthenticated attackers to achieve both arbitrary file read and server-side request forgery through the absolute path traversal. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N Added CWE CWE-36 Added Reference https://www.hyland.com/en/solutions/products/alfresco-platform Added Reference https://www.vulncheck.com/advisories/hyland-alfresco-transformation-service-absolute-path-traversal-arbitrary-file-read-and-ssrf