What is CVE-2026-34651?

CVE-2026-34651 is a high-severity vulnerability in Adobe Commerce, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-05-12.

How severe is CVE-2026-34651?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Adobe Commerce

CVE-2026-34651

Adobe Commerce versions 2.4.9-beta1, 2.4.8-p4, 2.4.7-p9, 2.4.6-p14, 2.4.5-p16, 2.4.4-p17 and earlier are affected by an Uncontrolled Resource Consumption vulnerability that could lead to application denial-of-service. An attacker could exp…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.001 (18.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Adobe Commerce — versions 0
Adobe Commerce — versions 2.4.4, 2.4.5, 2.4.6
Adobe Commerce_b2b — versions 1.3.3, 1.3.4, 1.4.2
Adobe Magento — versions 2.4.6, 2.4.7, 2.4.8

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

psirt@adobe.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-34651?: CVE-2026-34651 is a high-severity vulnerability in Adobe Commerce, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-05-12.
How severe is CVE-2026-34651?: High severity. CVSS v3 base score is 7.5 out of 10.