# CVE-2023-26360: Adobe ColdFusion Deserialization of Untrusted Data Vulnerability

Source: https://junglewise.ai/threats/cve-2023-26360-adobe-coldfusion-deserialization-of-untrusted-data-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2023-03-15. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2023-26360 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2023-03-15

Adobe ColdFusion is vulnerable to deserialization of untrusted data due to improper access control. This flaw allows an unauthenticated remote attacker to execute arbitrary code in the context of the current user without any interaction.

Technologies: [Adobe ColdFusion](https://junglewise.ai/threats/technologies/coldfusion). Vendors: [Adobe](https://junglewise.ai/threats/vendors/adobe).

## Quick answers

**Is CVE-2023-26360 exploited in the wild?** Yes. CVE-2023-26360 is known to be exploited in the wild, first recorded on 15 March 2023. Treat it as urgent.

**How severe is CVE-2023-26360?** Critical severity, with a CVSS score of 9.8, published 15 March 2023.

**Which products and versions are affected?** Adobe ColdFusion 2018 Update 15 and earlier; Adobe ColdFusion 2021 Update 5 and earlier.

**Is there a fix for CVE-2023-26360?** A patch was published on 2023-03-15: Adobe released APSB23-25 advisory and patches Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2023-26360 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2023-26360?** Check whether you run Adobe ColdFusion. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Adobe ColdFusion 2018 Update 15 and earlier
- Adobe ColdFusion 2021 Update 5 and earlier

## Timeline

- 2023-03-15: disclosed
- 2023-03-15: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2023-03-23: advisory: NVD Published Date
- 2023-03-15: patched: Adobe released APSB23-25 advisory and patches
- 2023-03-15: exploited: Reported as exploited in the wild at time of publication

## Related threats

- [Adobe ColdFusion RDS path traversal arbitrary file read](https://junglewise.ai/threats/cve-2026-90530-coldfusion-rds-is-affected-by-an-improper-limitation-of-a)
- [Adobe ColdFusion server-side request forgery privilege escalation](https://junglewise.ai/threats/cve-2026-76001-coldfusion-is-affected-by-a-server-side-request-forgery-ssrf)
- [Adobe ColdFusion uncontrolled resource consumption denial-of-service](https://junglewise.ai/threats/cve-2026-75996-coldfusion-is-affected-by-an-uncontrolled-resource-consumption)
- [Adobe ColdFusion improper input validation in administrative component](https://junglewise.ai/threats/cve-2026-75995-coldfusion-is-affected-by-an-improper-input-validation)
- [Adobe ColdFusion server-side request forgery privilege escalation](https://junglewise.ai/threats/cve-2026-75748-coldfusion-is-affected-by-a-server-side-request-forgery-ssrf)