Cyber Resilience

CVE-2026-34645

HighUpdated

Published: 12 May 2026

Published
12 May 2026
Modified
20 May 2026
KEV Added
Patch
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS Score 0.0009 26.1th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-34645 is a high-severity Incorrect Authorization (CWE-863) vulnerability in Adobe Commerce. Its CVSS base score is 7.5 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 26.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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 Incorrect Authorization vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass security measures and gain unauthorized write…

more

access. Exploitation of this issue does not require user interaction.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
Why these techniques?

Direct public-facing web app authorization bypass enabling remote exploitation without user interaction.

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1

CVEs Like This One

CVE-2026-21309Same product: Adobe Commerce
CVE-2026-21289Same product: Adobe Commerce
CVE-2026-34646Same product: Adobe Commerce
CVE-2025-24409Same product: Adobe Commerce
CVE-2025-24434Same product: Adobe Commerce
CVE-2026-34647Same product: Adobe Commerce
CVE-2026-34648Same product: Adobe Commerce
CVE-2026-21284Same product: Adobe Commerce
CVE-2025-24438Same product: Adobe Commerce
CVE-2025-54236Same product: Adobe Commerce

Affected Assets

adobe
commerce
2.4.4, 2.4.5, 2.4.6, 2.4.7, 2.4.8 · ≤ 2.4.4
adobe
commerce b2b
1.3.3, 1.3.4, 1.4.2, 1.5.2, 1.5.3 · ≤ 1.3.3
adobe
magento
2.4.6, 2.4.7, 2.4.8, 2.4.9 · ≤ 2.4.6

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-863

Periodic review and update of procedures reduces incorrect authorization implementations over time.

addresses: CWE-863

Supervision identifies cases where authorization logic incorrectly permits unauthorized actions.

addresses: CWE-863

Defining permitted attribute values and auditing modifications reduces the chance of incorrect authorization outcomes due to tampered or missing labels.

addresses: CWE-863

The authorization process and usage restrictions help prevent incorrect authorization for remote access types.

addresses: CWE-863

Establishing configuration and connection requirements helps ensure correct rather than incorrect authorization for wireless access.

addresses: CWE-863

Establishing connection authorization processes for mobile devices helps ensure authorization decisions are correctly implemented rather than incorrect.

addresses: CWE-863

Monitoring account use, notifying on changes, and reviewing accounts for compliance corrects incorrect authorization assignments.

addresses: CWE-863

Ensures authorization decisions for external system use are correctly implemented and enforced.

References