CVE-2023-26360
KEVAdobe ColdFusion Deserialization of Untrusted Data Vulnerability
Description
Adobe ColdFusion contains a deserialization of untrusted data vulnerability that allows for remote code execution.
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.
CVSS 3.1 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:NPublishedMar 23, 2023
Last modifiedJun 17, 2026
Added to KEVMar 15, 2023
Remediation dueApr 5, 2023
References
- packetstormsecurity.com/files/172079/Adobe-ColdFusion-Unauthenticated-Remote-Code-Execution.htmlExploitThird Party Advisory
- helpx.adobe.com/security/products/coldfusion/apsb23-25.htmlPatchVendor Advisory
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-26360Third Party AdvisoryUS Government Resource
0 recent articles mention this CVE
83
Risk assessment · Critical
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 1302 days
- CVSS
- 8.6 HIGH
- EPSS (30-day exploit probability)
- 97.3% · top 1% of all CVEs
- Weakness
- CWE-284
- Attack vector
- Network, remotely reachable
- Preconditions
- No privileges and no user interaction
Recommended actions
- 1.Apply updates per vendor instructions.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
- 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.