Adobe Commerce 2.4.x Improper Input Validation Security Feature Bypass
CVE-2026-34685 Published on May 12, 2026

Adobe Commerce | Improper Input Validation (CWE-20)
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 Improper Input Validation vulnerability that could result in a Security feature bypass. A high-privileged attacker could leverage this vulnerability to bypass security measures and gain unauthorized write access. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page. Scope is changed.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-34685 can be exploited with network access, requires user interaction and user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity, and no impact on availability.

Attack Vector:

NETWORK

Attack Complexity:

LOW

Privileges Required:

HIGH

User Interaction:

REQUIRED

Scope:

CHANGED

Confidentiality Impact:

NONE

Integrity Impact:

LOW

Availability Impact:

NONE

Weakness Type

Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Products Associated with CVE-2026-34685

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Adobe Commerce

Adobe Commerce B2b

Adobe Magento Open Source

Affected Versions

Adobe Commerce:

Before and including 2.4.9-beta1, 2.4.8-p4, 2.4.7-p9, 2.4.6-p14, 2.4.5-p16, 2.4.4-p17 is affected.
Version 2.4.9, 2.4.8-p5, 2.4.7-p10, 2.4.6-p15, 2.4.5-p17, 2.4.4-p18 is unaffected.

Adobe Commerce B2B:

Before and including 1.5.3-beta1, 1.5.2-p4, 1.4.2-p9, 1.3.4-p16, 1.3.3-p17 is affected.
Version 1.5.3, 1.5.2-p5, 1.4.2-p10, 1.3.4-p17, 1.3.3-p18 is unaffected.

Adobe Magento Open Source:

Before and including 2.4.9-beta1, 2.4.8-p4, 2.4.7-p9, 2.4.6-p14 is affected.
Version 2.4.9, 2.4.8-p5, 2.4.7-p10, 2.4.6-p15 is unaffected.

Exploit Probability

EPSS

0.37%

Percentile

29.90%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.