Improper input validation in Adobe Coldfusion 2023
CVE-2026-21273
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…
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
CVSS v3 metric
CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N.
Affected products
- Adobe Coldfusion 2023 — versions 0, 2023.0.23
- Adobe Coldfusion 2025 — versions 0, 2025.0.12
Weakness classification (CWE)
References
- psirt@adobe.com (vendor-advisory)
Frequently asked questions
- What is CVE-2026-21273?
- CVE-2026-21273 is a high-severity vulnerability in Adobe Coldfusion 2023, classified under Improper Input Validation. CVSS score: 8.7/10. Published 2026-08-11.
- How severe is CVE-2026-21273?
- High severity. CVSS v3 base score is 8.7 out of 10.