What is CVE-2026-34635?

CVE-2026-34635 is a high-severity vulnerability in Adobe Coldfusion 2023, classified under Use of Hard-coded Cryptographic Key. CVSS score: 8.4/10. Published 2026-08-11.

How severe is CVE-2026-34635?

High severity. CVSS v3 base score is 8.4 out of 10.

Vulnerability in Adobe Coldfusion 2023

CVE-2026-34635

is affected by a Use of Hard-coded Cryptographic Key vulnerability that could result in a Security feature bypass. A low-privileged attacker could leverage this vulnerability to bypass security measures and gain unauthorized read and write…

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/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)

CWE-321 — Use of Hard-coded Cryptographic Key

References

psirt@adobe.com (vendor-advisory)

Frequently asked questions

What is CVE-2026-34635?: CVE-2026-34635 is a high-severity vulnerability in Adobe Coldfusion 2023, classified under Use of Hard-coded Cryptographic Key. CVSS score: 8.4/10. Published 2026-08-11.
How severe is CVE-2026-34635?: High severity. CVSS v3 base score is 8.4 out of 10.