CVE-2023-26359

CriticalCVSS 9.8/10Known exploited (CISA KEV)Last modified Jun 17, 2026

Description

Adobe ColdFusion versions 2018 Update 15 (and earlier) and 2021 Update 5 (and earlier) are affected by a Deserialization of Untrusted Data vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue does not require user interaction.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-502

Affected software

Vendor	Product	Versions
Adobe	ColdFusion	>= unspecified, <= CF2018U15, CF2021U5; >= unspecified, <= None

References

https://helpx.adobe.com/security/products/coldfusion/apsb23-25.htmlPatch, Vendor Advisory
https://helpx.adobe.com/security/products/coldfusion/apsb23-25.htmlPatch, Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-26359Third Party Advisory, US Government Resource

Timeline

Published: Mar 23, 2023
Last modified: Jun 17, 2026
Added to CISA KEV: Aug 21, 2023
NVD status: Analyzed

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