Cyber Resilience

CVE-2026-34263

Critical

Published: 12 May 2026

Published
12 May 2026
Modified
15 May 2026
KEV Added
—
Patch
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CVSS Score v3.1 9.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS Score 0.0061 44.8th percentile
Risk Priority 70 floored blend · peak EPSS

Summary

CVE-2026-34263 is a critical-severity Incomplete Cleanup (CWE-459) vulnerability in Sap (inferred from references). Its CVSS base score is 9.6 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 44.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Due to improper Spring Security configuration, SAP Commerce Cloud allows an unauthenticated user to perform malicious input injection, resulting in arbitrary server-side code execution, leading to high impact on Confidentiality, Integrity, and Availability of the application.

CWE(s)
CWE-459

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
T1059 Command and Scripting Interpreter Execution
Adversaries may abuse command and script interpreters to execute commands, scripts, or binaries.
attack.mitre.org →
Why these techniques?

Improper security config enables unauthenticated RCE via input injection on public-facing SAP app (T1190); arbitrary server-side code execution maps to command/scripting interpreter (T1059).

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2025-66675Shared CWE-459
CVE-2025-66467Shared CWE-459
CVE-2025-0726Shared CWE-459
CVE-2025-0473Shared CWE-459
CVE-2026-3304Shared CWE-459
CVE-2025-21609Shared CWE-459
CVE-2026-28268Shared CWE-459
CVE-2026-33232Shared CWE-459

Affected Assets

Sap
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inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SC-4 Information in Shared System Resources
addresses: CWE-459

Mandates complete sanitization during cleanup so that shared resources (memory, caches, buffers) do not retain data across subjects.

SI-12 Information Management and Retention
addresses: CWE-459

Operational retention schedules mandate complete cleanup of temporary or residual sensitive data after use.

SI-14 Non-persistence
addresses: CWE-459

Termination of the non-persistent artifact guarantees cleanup of temporary state, directly countering incomplete cleanup weaknesses.

SI-17 Fail-safe Procedures
addresses: CWE-459

Fail-safe procedures can explicitly require cleanup of temporary state, resources, or privileges on failure to avoid leaving the system in an inconsistent state.

SI-21 Information Refresh
addresses: CWE-459

The explicit delete step when information is no longer needed implements the cleanup that this weakness omits.

SR-12 Component Disposal
addresses: CWE-459

Enforces complete cleanup and sanitization steps during disposal, closing gaps that leave data remnants on retired components.

References