CVE-2026-21279 describes an improper input validation vulnerability in Adobe ColdFusion 2025. This vulnerability could be exploited remotely without authentication or user interaction to bypass security controls, resulting in unauthorized read access and limited write access to the system. The issue is classified under CWE-20, indicating a failure to properly validate input data. No official remediation or patch information is currently available, and there are no known exploits in the wild at this time.

Successful exploitation can lead to bypassing security features, granting an attacker unauthorized read access and limited write capabilities on the affected system. This could compromise sensitive data confidentiality and integrity but does not impact availability. The vulnerability is exploitable remotely without any privileges or user interaction.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, monitor Adobe's security advisories for updates. No vendor-provided mitigations or temporary fixes are currently documented.