What is the CVSS score of CVE-2026-0499?

CVE-2026-0499 has a CVSS 3.1 base score of 6.1 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.1%.

Which versions of SAP are affected by CVE-2026-0499?

Organizations using SAP NetWeaver Enterprise Portal should be aware of moderate risk from CVE-2026-0499, a cross-site scripting vulnerability rated CVSS 6.1.

How to fix or mitigate CVE-2026-0499?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

SAP CVE-2026-0499

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2026-01-13 cna@sap.com

SAP

6.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.1 MEDIUM

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

CVE Published

Jan 13, 2026 - 02:15 nvd

MEDIUM 6.1

DescriptionCVE.org

SAP NetWeaver Enterprise Portal allows an unauthenticated attacker to inject malicious scripts into a URL parameter. The scripts are reflected in the server response and executed in a user's browser when the crafted URL is visited, leading to theft of session information, manipulation of portal content, or user redirection, resulting in a low impact on the application's confidentiality and integrity, with no impact on availability.

AnalysisAI

Reflected cross-site scripting in SAP NetWeaver Enterprise Portal enables unauthenticated attackers to inject malicious scripts via URL parameters that execute in users' browsers. Successful exploitation can lead to session hijacking, portal content manipulation, and unauthorized user redirection, affecting confidentiality and integrity with no patch currently available.

Technical ContextAI

Classified as CWE-79 (Cross-site Scripting (XSS)). SAP NetWeaver Enterprise Portal allows an unauthenticated attacker to inject malicious scripts into a URL parameter. The scripts are reflected in the server response and executed in a user's browser when the crafted URL is visited, leading to theft of session information, manipulation of portal content, or user redirection, resulting in a low impact on the application's confidentiality and integrity, with no impact on availability.

Affected ProductsAI

SAP NetWeaver Enterprise Portal allows an unauthenticated attacker to inject malicious scripts into a URL parameter

RemediationAI

Monitor vendor advisories for a patch. Implement output encoding and Content Security Policy headers. Restrict network access to the affected service where possible.