CVE-2023-26360 Adobe ColdFusion Deserialization of Untrusted Data

Exploited in the wild High 8.6 Published 23 Mar 2023 Updated 21 Oct 2025

Attackers can execute arbitrary code on Adobe ColdFusion servers due to improper access control, requiring no user interaction.

Exploited in the wild: Since 15 Mar 2023
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-26360?

CVE-2023-26360 is a high-severity missing authorization vulnerability in Adobe Coldfusion, published on 23 Mar 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-284

Which versions are affected by CVE-2023-26360?

It affects 1 product.

Products include Adobe Coldfusion.

How do I fix CVE-2023-26360?

No fix has been published for CVE-2023-26360 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 5 Apr 2023.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2023-26360 being exploited?

Yes. Attackers have exploited CVE-2023-26360 in the wild since at least 15 Mar 2023.

Public exploit code: 2 Metasploit modules, 1 Nuclei template and 6 proofs of concept on GitHub.

All Adobe Coldfusion vulnerabilities

Sources

Also known as GHSA-p86r-cr5m-73hp.