Is CVE-2023-26359 actively exploited?

Yes. CVE-2023-26359 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2023-26359 be exploited remotely?

The attack vector of CVE-2023-26359 has not been classified yet.

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

CVE-2023-26359 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2023-26359

HIGHCISA KEVIN THE WILD

CVE-2023-26359

Published: August 21, 2023

EPSS:84.68%probability of exploitation in 30 daysPercentile:99.3th

Official Description

Adobe ColdFusion contains a deserialization of untrusted data vulnerability that could result in code execution in the context of the current user.

NVD Source

CISA KEV Advisory

Adobe ColdFusion Deserialization of Untrusted Data Vulnerability

Adobe ColdFusion contains a deserialization of untrusted data vulnerability that could result in code execution in the context of the current user.

Added to KEV: 2023-08-21Federal patch deadline: 2023-09-11

Required Action (CISA)

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Risk Analysis

This deserialization of untrusted data vulnerability in Adobe ColdFusion could allow an attacker to execute code in the context of the current user. With an EPSS score of 0.84680, there is a very high likelihood of exploitation, and its inclusion in CISA's KEV catalog confirms active exploitation. This is an urgent risk for Adobe ColdFusion deployments.

This vulnerability is actively being exploited in the wild and is listed in CISA's Known Exploited Vulnerabilities catalog. It is remotely exploitable, likely through specially crafted input that triggers the deserialization flaw.

Recommended Action

Administrators should immediately apply the latest security updates and patches for Adobe ColdFusion. Implement input validation and restrict deserialization of untrusted data where possible.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-26359 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2023-26359 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.