Is CVE-2023-26359 actively exploited?

CVE-2023-26359 has no public evidence of in-the-wild exploitation as of 2025-10-23.

What is the CVSS score for CVE-2023-26359?

CVE-2023-26359 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2023-26359?

Patch guidance is available from adobe security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2023-26359.

Fix CVE-2023-26359 - CRITICAL adobe coldfusion

Q: Which products are affected by CVE-2023-26359?

22 products: adobe coldfusion, adobe coldfusion, adobe coldfusion, adobe coldfusion, adobe coldfusion, and 17 more.

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-502 · Insecure Deserialization

Metadata

Primary Vendor: ADOBE
Published: 3/23/2023
Last Modified: 10/23/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

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Remediation Guidance

Executive Summary

View on NIST NVD