Advisory Details

April 15th, 2026

Adobe ColdFusion fetchCFSettingFile Directory Traversal Information Disclosure Vulnerability

ZDI-26-264
ZDI-CAN-29550

CVE ID CVE-2026-27305
CVSS SCORE 7.5, AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
AFFECTED VENDORS Adobe
AFFECTED PRODUCTS ColdFusion
VULNERABILITY DETAILS

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Adobe ColdFusion. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the fetchCFSettingFile method. The issue results from the lack of proper validation of user-supplied path parameters prior to using them in file operations. An attacker can leverage this vulnerability to disclose information in the context of the service account.
ADDITIONAL DETAILS Adobe has issued an update to correct this vulnerability. More details can be found at:
https://helpx.adobe.com/security/products/coldfusion/apsb26-38.html
DISCLOSURE TIMELINE
  • 2026-03-20 - Vulnerability reported to vendor
  • 2026-04-15 - Coordinated public release of advisory
  • 2026-04-15 - Advisory Updated
CREDIT Jonathan Lein of TrendAI Research
BACK TO ADVISORIES