Advisory Details

April 15th, 2026

Adobe ColdFusion deleteVersion Directory Traversal Arbitrary File Deletion Vulnerability

ZDI-26-262
ZDI-CAN-29549

CVE ID CVE-2026-34619
CVSS SCORE 5.4, AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
AFFECTED VENDORS Adobe
AFFECTED PRODUCTS ColdFusion
VULNERABILITY DETAILS

This vulnerability allows remote attackers to delete arbitrary files on affected installations of Adobe ColdFusion. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed.

The specific flaw exists within the deleteVersion method. The issue results from the lack of proper validation of user-supplied data prior to using it in file operations. An attacker can leverage this vulnerability to delete files 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
  • 2026-03-25 - Vulnerability reported to vendor
  • 2026-04-15 - Coordinated public release of advisory
  • 2026-04-15 - Advisory Updated
CREDIT Jonathan Lein of TrendAI Research
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