# CVE-2026-89122: SAP NetWeaver Enterprise Portal input validation flaw

Source: https://junglewise.ai/threats/cve-2026-89122-sap-netweaver-enterprise-portal-does-not-sufficiently-validate  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-13. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-89122 · Severity: medium · CVSS 6.1 · Published 2026-10-13

SAP NetWeaver Enterprise Portal, a portal application used by organizations to deliver web content and services, does not properly validate user input in a portal component. An unauthenticated attacker can craft a malicious link that, when clicked, injects attacker-controlled content into the page. This allows the attacker to steal user information and modify what the user sees on the screen.

Technologies: [SAP NetWeaver Enterprise Portal](https://junglewise.ai/threats/technologies/sap-netweaver-enterprise-portal). Vendors: [SAP](https://junglewise.ai/threats/vendors/sap).

## Quick answers

**Is CVE-2026-89122 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-89122 being exploited in the wild.

**How severe is CVE-2026-89122?** Medium severity, with a CVSS score of 6.1, published 13 October 2026.

**Which products and versions are affected?** SAP NetWeaver Enterprise Portal <UNKNOWN>.

**Is there a fix for CVE-2026-89122?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-89122 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-89122?** Check whether you run SAP NetWeaver Enterprise Portal at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability is an insufficient input validation flaw in a NetWeaver Enterprise Portal component that allows reflected content injection. An unauthenticated remote attacker can craft a malicious URL that injects attacker-controlled HTML or JavaScript into the portal context, achieving information disclosure and page defacement without authentication required. A fix is available via SAP Security Notes (referenced as SAP Note 3790401).

## Affected products

- SAP NetWeaver Enterprise Portal <UNKNOWN>

## Timeline

- 2026-10-13: disclosed

## References

- [https://me.sap.com/notes/3790401](https://me.sap.com/notes/3790401)
- [https://url.sap/sapsecuritypatchday](https://url.sap/sapsecuritypatchday)

## Related threats

- [SAP NetWeaver Enterprise Portal CSRF in server-side actions](https://junglewise.ai/threats/cve-2026-89131-sap-netweaver-enterprise-portal-does-not-sufficiently-protect)
- [SAP NetWeaver Enterprise Portal information disclosure](https://junglewise.ai/threats/cve-2026-89118-sap-netweaver-enterprise-portal-allows-an-unauthenticated)
- [SAP NetWeaver Enterprise Portal reflected XSS](https://junglewise.ai/threats/cve-2026-89117-sap-netweaver-enterprise-portal-allows-an-unauthenticated)