CVE-2026-58245: SAP APO Auth Bypass Vulnerability

CVE-2026-58245 Overview

CVE-2026-58245 affects SAP Advanced Planning and Optimization (APO), specifically the Model Mix Planning component. The application ships with a hardcoded credential embedded in its source code, which the software uses to perform authorization checks for certain functionalities. An authenticated attacker holding high privileges can leverage this credential to bypass authorization and delete specific planning-related restrictions. The vulnerability is classified under [CWE-798: Use of Hard-coded Credentials]. Successful exploitation yields limited impact on confidentiality and integrity, with no impact on availability.

Critical Impact
An authenticated high-privileged attacker can bypass authorization controls in SAP APO Model Mix Planning and delete planning-related restrictions, undermining data integrity in supply chain planning workflows.

Affected Products

SAP Advanced Planning and Optimization (Model Mix Planning)
Refer to SAP Note #3763028 for the affected component versions
See SAP Security Patch Day for the full advisory listing

Discovery Timeline

2026-08-11 - CVE-2026-58245 published to NVD
2026-08-11 - Last updated in NVD database

Technical Details for CVE-2026-58245

Vulnerability Analysis

The defect lives inside the Model Mix Planning functionality of SAP Advanced Planning and Optimization. The application embeds a static credential directly in its source code and uses that credential to gate access to certain features. Because the value is compiled into the shipped software, every deployment shares the same secret, and any actor who recovers it can present the credential during authorization checks.

The scope is bounded. An attacker must already possess high privileges within the SAP environment before the flaw becomes useful. The realized impact is deletion of specific planning-related restrictions, which corrupts the guardrails around Model Mix Planning data. Confidentiality and integrity effects are rated low, and availability is unaffected. The attack vector is network-based, and no user interaction is required. According to the current EPSS data (2026-08-13), exploitation likelihood remains low.

Root Cause

The root cause is a hardcoded credential ([CWE-798]) used as an internal authorization token. Static secrets shipped inside application binaries cannot be rotated per customer and are recoverable through static analysis, decompilation, or log inspection. Once known, the credential collapses the authorization decision into a trivial check that any privileged caller can satisfy.

Attack Vector

An authenticated user with high privileges on the SAP APO system submits requests to Model Mix Planning functionality using the embedded credential. The application accepts the credential as proof of authorization and permits actions that would otherwise be blocked, including deletion of specific planning-related restrictions. No verified public proof-of-concept exists at the time of publication. See SAP Note #3763028 for vendor-provided technical details.

Detection Methods for CVE-2026-58245

Indicators of Compromise

Unexpected deletion of planning-related restrictions or configuration entries within SAP APO Model Mix Planning.
Authorization-check log entries invoked by user contexts that do not normally interact with Model Mix Planning administration.
Requests to Model Mix Planning endpoints from high-privileged accounts outside their usual operating windows.

Detection Strategies

Enable and review SAP Security Audit Log entries for Model Mix Planning transactions, focusing on delete operations against restriction objects.
Baseline normal administrative activity on APO systems and alert on deviations, particularly configuration or restriction removals.
Correlate change documents on Model Mix Planning objects with the identity, source IP, and session of the acting user.

Monitoring Recommendations

Forward SAP audit and change-document logs to a centralized SIEM for retention and correlation across identities and hosts.
Monitor privileged account usage on APO systems and flag out-of-hours or previously unseen administrative actions.
Track deletions of planning restrictions as a distinct alertable event class rather than a routine configuration change.

How to Mitigate CVE-2026-58245

Immediate Actions Required

Apply the SAP-provided fix referenced in SAP Note #3763028 to affected APO systems.
Inventory SAP APO instances running Model Mix Planning and confirm patch status for each.
Restrict and review high-privileged user assignments on APO, since exploitation requires elevated privileges.
Preserve audit logs covering the pre-patch window to support any retrospective investigation.

Patch Information

SAP has released a fix distributed through the SAP Security Patch Day process. Refer to SAP Note #3763028 for patch download instructions, prerequisites, and version coverage. The consolidated advisory listing is available at SAP Security Patch Day.

Workarounds

No vendor-supplied workaround is documented; apply the SAP-provided patch as the primary remediation.
Until patching is complete, minimize the population of accounts holding high privileges on APO systems that can reach Model Mix Planning functionality.
Increase audit logging fidelity around Model Mix Planning transactions to shorten identification time if the flaw is exercised.