Incorrect authorization in Adobe Commerce B2B - CVE-2026-77109
Published: September 9, 2026
Vulnerability identifier: #VU148854
CSH Severity: High
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-77109
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to escalate privileges.
The vulnerability exists due to incorrect authorization in Adobe Commerce B2B authorization controls when handling requests. A remote attacker can exploit the authorization flaw to escalate privileges.
Only Adobe Commerce B2B is affected.
Affected software
Adobe Commerce B2B
How to mitigate CVE-2026-77109
Install security update from vendor's website.
Adobe Commerce B2B - addressed in versions 1.3.3-2026-sep, 1.3.4-2026-sep, 1.4.2-2026-sep, 1.5.2-2026-sep, 1.5.3-2026-sep