What is CVE-2026-105903?

CVE-2026-105903 is a critical-severity vulnerability in Adobe Coldfusion 2023, classified under Code Injection. CVSS score: 9.9/10. Published 2026-10-13.

How severe is CVE-2026-105903?

Critical severity. CVSS v3 base score is 9.9 out of 10.

RCE in Adobe Coldfusion 2023

CVE-2026-105903

ColdFusion is affected by an Improper Control of Generation of Code ('Code Injection') vulnerability that could result in arbitrary code execution in the context of the current user. A low-privileged attacker could exploit this vulnerability to execute arbitrary code. Exploitation of this issue does not require user interaction. Scope is changed.

Vulnerability class: RCE (Remote Code Execution)

Published 2026-10-13 · last modified 2026-10-14.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

CWE-94 — Code Injection

References

www.adobe.com/trust/security/products/coldfusion/apsb26-144.html (vendor-advisory)

Frequently asked questions

What is CVE-2026-105903?: CVE-2026-105903 is a critical-severity vulnerability in Adobe Coldfusion 2023, classified under Code Injection. CVSS score: 9.9/10. Published 2026-10-13.
How severe is CVE-2026-105903?: Critical severity. CVSS v3 base score is 9.9 out of 10.