Reference page — cumulative record through Thursday, October 8, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2023-26359

CVE-2023-26359CRITICAL

Adobe ColdFusion Deserialization of Untrusted Data Arbitrary code execution

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  U  H  H  H    9.8   .1699   97.0   YES

AFFECTED
  Product     Versions       Fixed
  ColdFusion  unspecified –  —

TIMELINE
  Feb 22  Reserved by adobe
  Mar 23  Published (CNA: adobe)
  Aug 21  Added to CISA KEV, remediation due 2023-09-11

CWE-502 · CNA: adobe · CVSS v3.1 · 2 references · KEV due September 11, 2023

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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
February 22, 2023	Reserved	Reserved by adobe
March 23, 2023	Published	Published (CNA: adobe)
August 21, 2023	KEV ADDED	Added to CISA KEV, remediation due 2023-09-11

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Adobe	ColdFusion	—	unspecified	—

Weaknesses

CWE-502

References (2)

Authoritative record: CVE-2023-26359 at cve.org

Vendors: adobe

Weaknesses: CWE-502

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2023-26359 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Thursday, October 8, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.