CVE-2026-34646 Adobe Commerce | Incorrect Authorization (CWE-863)

High 7.5 Published 12 May 2026 Updated 27 Aug 2026

An attacker can bypass security measures to gain unauthorized write access in Adobe Commerce without user interaction.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-34646?

CVE-2026-34646 is a high-severity missing authorization vulnerability in Adobe Commerce, published on 12 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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

Weakness: CWE-863

Which versions are affected by CVE-2026-34646?

It affects 3 products.

Products include Adobe Commerce, Adobe Commerce B2b, Adobe Magento.

How do I fix CVE-2026-34646?

No fix has been published for CVE-2026-34646 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-34646 being exploited?

There is no known exploitation of CVE-2026-34646 in the wild and no public exploit code.

All Adobe Commerce vulnerabilities

Sources

Also known as GHSA-8w9p-r848-78x9.