Improper input validation in Adobe Coldfusion
CVE-2026-21279
is affected by an Improper Input Validation vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass security measures and gain unauthorized read and limited write access. Exploitation of this issue does not require user interaction.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N.
EPSS exploit prediction
EPSS: 0.008 (54.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.008 · change: +0.003
Affected products
- Adobe Coldfusion — versions 2023, 2025
- Adobe Coldfusion 2023 — versions 0, 2023.0.23
- Adobe Coldfusion 2025 — versions 0, 2025.0.12
Weakness classification (CWE)
References
- helpx.adobe.com/security/products/coldfusion/apsb26-90.html (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-21279?
- CVE-2026-21279 is a high-severity vulnerability in Adobe Coldfusion, classified under Improper Input Validation. CVSS score: 8.2/10. Published 2026-08-11.
- How severe is CVE-2026-21279?
- High severity. CVSS v3 base score is 8.2 out of 10.