CVE-2023-26359
Adobe ColdFusion Deserialization of Untrusted Data Arbitrary code execution
Adobe ColdFusion Deserialization of Untrusted Data Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA notes
https://helpx.adobe.com/security/products/coldfusion/apsb23-25.html; https://nvd.nist.gov/vuln/detail/CVE-2023-26359
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.
Severity
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation Context
as of October 13, 2026- CISA added CVE-2023-26359 to the KEV catalog 151 days after its CVE record was published. The median for entries added in 2023 is 12 days.
- It is one of 82 Adobe entries in the CISA KEV catalog, and one of 6 added in 2023.
- Its current EPSS score (17.0%) is higher than that of 32% of CISA KEV entries.
Affected Products
| Vendor | Product | Affected versions |
|---|---|---|
| Adobe | Adobe ColdFusion | unspecified to CF2018U15, CF2021U5 unspecified to None |
References
1 LinksRecord Details
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Related
Tool categories
CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.