CVE-2026-48416: Adobe Commerce Auth Bypass Vulnerability

CVE-2026-48416 Overview

CVE-2026-48416 is an Incorrect Authorization vulnerability [CWE-863] affecting Adobe Commerce. The flaw allows an unauthenticated network-based attacker to bypass security controls and obtain unauthorized read access to data that should be protected. Exploitation does not require user interaction, which lowers the barrier for automated abuse against exposed storefronts.

Adobe published the corresponding security advisory (APSB26-92) alongside the CVE record. The issue impacts the confidentiality of data managed by Adobe Commerce without affecting integrity or availability directly.

Critical Impact
Unauthenticated attackers can bypass authorization checks over the network to read protected data from affected Adobe Commerce deployments.

Affected Products

Adobe Commerce (see Adobe Magento Security Advisory APSB26-92 for the specific version matrix)
Adobe Commerce on-premise editions covered by APSB26-92
Adobe Commerce cloud deployments covered by APSB26-92

Discovery Timeline

2026-08-11 - CVE-2026-48416 published to NVD
2026-08-13 - Last updated in NVD database

Technical Details for CVE-2026-48416

Vulnerability Analysis

The vulnerability is classified as Incorrect Authorization under [CWE-863]. Adobe Commerce performs an authorization check, but the check does not correctly enforce the intended policy. As a result, a request that should be rejected is instead processed, exposing data the requester is not entitled to view.

The attack vector is network-based and requires no privileges or user interaction. This profile makes the flaw suitable for opportunistic scanning of internet-facing storefronts and for scripted enumeration of protected endpoints. The EPSS score at publication is 0.495%, placing exploitation likelihood in the 40th percentile.

Because the impact is limited to confidentiality, successful exploitation surfaces sensitive commerce data such as configuration, customer, or order information rather than enabling code execution or modification. Adobe Commerce operators should still treat this as a data-exposure risk given the platform's role in processing customer and payment metadata.

Root Cause

The root cause is an authorization decision that does not accurately reflect the resource's access policy. In practice, this typically means an endpoint or object-level control accepts requests without validating that the caller holds the required role, ownership, or session context. Adobe has not published low-level technical details beyond the APSB26-92 advisory.

Attack Vector

An attacker sends crafted requests over the network to an affected Adobe Commerce endpoint. The application evaluates authorization incorrectly and returns protected data in the response. No credentials, prior foothold, or victim interaction are needed to complete the request.

No verified proof-of-concept code is publicly available at the time of writing. Refer to the Adobe Magento Security Advisory for vendor-supplied technical context.

Detection Methods for CVE-2026-48416

Indicators of Compromise

Unusual volumes of anonymous requests to Adobe Commerce REST or GraphQL endpoints returning HTTP 200 for resources that normally require authentication.
Access log entries where session or bearer tokens are absent but sensitive object identifiers (order IDs, customer IDs, quote IDs) appear in the request path or query string.
Sequential enumeration of numeric resource identifiers from a single source IP or a small set of IPs.

Detection Strategies

Baseline authenticated vs. unauthenticated response patterns for Adobe Commerce API endpoints and alert on deviations.
Inspect web application firewall and reverse proxy logs for requests that bypass expected authentication headers yet retrieve protected payloads.
Correlate storefront access logs with backend audit logs to identify data reads that have no matching authenticated session.

Monitoring Recommendations

Forward Adobe Commerce application, web server, and WAF logs to a centralized analytics platform for retention and correlation.
Track response sizes and status codes per endpoint to surface anomalous data egress from unauthenticated callers.
Monitor for scanner user-agents and repeated /rest/, /graphql, and admin-adjacent path probes against storefronts.

How to Mitigate CVE-2026-48416

Immediate Actions Required

Apply the Adobe Commerce security updates documented in APSB26-92 to all production, staging, and development instances.
Inventory internet-exposed Adobe Commerce endpoints and prioritize patching of publicly reachable storefronts first.
Review recent web and application logs for signs of unauthenticated access to protected resources prior to patching.

Patch Information

Adobe has released fixed versions as described in the Adobe Magento Security Advisory APSB26-92. Administrators should consult the advisory's version table to confirm the specific patched release for their deployment channel and apply it through standard Adobe Commerce upgrade procedures.

Workarounds

Restrict access to non-essential Adobe Commerce endpoints at the WAF or reverse proxy until patches are applied.
Enforce strict allow-lists for administrative and integration API paths, blocking anonymous traffic to those routes.
Rotate API keys, integration tokens, and administrative credentials after patching to invalidate anything that may have been exposed.

bash

# Example WAF rule concept: block unauthenticated access to sensitive Adobe Commerce API paths
# Adjust paths and header names to match your deployment before enforcing.
location ~ ^/(rest|graphql)/ {
    if ($http_authorization = "") {
        return 401;
    }
    proxy_pass http://commerce_backend;
}