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AdobeCVE-2026-21273

Adobe ColdFusion: improper input validation

High8.7CVE-2026-21273 · Published Aug 11, 2026 · updated Aug 28, 2026

is affected by an Improper Input Validation vulnerability that could result in privilege escalation. A low-privileged attacker could exploit this vulnerability to gain unauthorized read and write access. Exploitation of this issue requires user interaction in that a victim must open a malicious file. Scope is changed.

Adobe advisory

Affected versions

PackageAffectedFixed in
ColdFusion 2023
Product
<= 2023.0.22No fix yet
ColdFusion 2025
Product
<= 2025.0.11No fix yet
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-20

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