Adobe · ColdFusion

CVE-2023-26360

Adobe ColdFusion Improper Access Control Arbitrary code execution

Exploited in attacks High 8.6 Attack chance: 97%

What it is

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

CISA: Adobe ColdFusion contains a deserialization of untrusted data vulnerability that allows for remote code execution.

What to do

Apply updates per vendor instructions.

Deadline for US federal agencies: April 5, 2023

Added to the CISA list: March 15, 2023
Published: March 23, 2023
Severity: High 8.6 CVSS 3.1
Chance of attacks in the next 30 days (EPSS): 97% in the top 0.1% of all known vulnerabilities
Weakness: CWE-284
More details: NVD · CVE.org · CISA

All references (2)

More exploited flaws from Adobe

Added	Vulnerability	Product	Severity	Attack chance
Jul 7, 2026	Path TraversalCVE-2026-48282	ColdFusion	Critical 10.0	42%
Feb 24, 2025	DeserializationCVE-2017-3066	ColdFusion	Critical 9.8	91%
Dec 16, 2024	Improper Access ControlCVE-2024-20767	ColdFusion	High 7.4	99%
Jan 8, 2024	Deserialization of Untrusted DataCVE-2023-29300used by ransomware	ColdFusion	Critical 9.8	>99.9%
Jan 8, 2024	Deserialization of Untrusted DataCVE-2023-38203used by ransomware	ColdFusion	Critical 9.8	97%
Aug 21, 2023	Deserialization of Untrusted DataCVE-2023-26359	ColdFusion	Critical 9.8	17%
Jul 20, 2023	Improper Access ControlCVE-2023-29298	ColdFusion	High 7.5	99.8%
Jul 20, 2023	Improper Access ControlCVE-2023-38205	ColdFusion	High 7.5	99.8%

All of them →

Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.