What is CVE-2026-21279?

CVE-2026-21279 is a high-severity vulnerability in Adobe Coldfusion 2023, 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.

Improper input validation in Adobe Coldfusion 2023

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. Exploi…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

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.

Affected products

Adobe Coldfusion 2023 — versions 0, 2023.0.23
Adobe Coldfusion 2025 — versions 0, 2025.0.12

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

psirt@adobe.com (vendor-advisory)

Frequently asked questions

What is CVE-2026-21279?: CVE-2026-21279 is a high-severity vulnerability in Adobe Coldfusion 2023, 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.