# CVE-2026-109806: SAP NetWeaver Internet Graphics Service integer overflow

Source: https://junglewise.ai/threats/cve-2026-109806-sap-netweaver-internet-graphics-service-does-not-sufficiently  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-10. Updated: 2026-11-10  
License: CC BY 4.0 with a link back

CVE-2026-109806 · Severity: high · CVSS 7.5 · Published 2026-11-10

SAP NetWeaver's Internet Graphics Service handles image data for business applications. An unauthenticated attacker can send malformed image data to trigger an integer overflow, causing the application to repeatedly crash and become unavailable. This creates a denial-of-service risk with no data breach exposure.

Technologies: [SAP NetWeaver](https://junglewise.ai/threats/technologies/netweaver). Vendors: [SAP](https://junglewise.ai/threats/vendors/sap).

## Quick answers

**Is CVE-2026-109806 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-109806 being exploited in the wild.

**How severe is CVE-2026-109806?** High severity, with a CVSS score of 7.5, published 10 November 2026.

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

**Is there a fix for CVE-2026-109806?** 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-2026-109806 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-109806?** Check whether you run SAP NetWeaver 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

An integer overflow vulnerability in SAP NetWeaver's Internet Graphics Service results from insufficient input validation on incoming image data. An unauthenticated, network-adjacent attacker can craft malformed requests to trigger the overflow, causing repeated worker process termination and denial of service. No authentication or user interaction is required to exploit this flaw.

## Affected products

- SAP NetWeaver <UNKNOWN>

## Timeline

- 2026-11-10: disclosed

## References

- [https://me.sap.com/notes/3809934](https://me.sap.com/notes/3809934)
- [https://url.sap/sapsecuritypatchday](https://url.sap/sapsecuritypatchday)

## Related threats

- [SAP NetWeaver Application Server ABAP memory corruption denial of service](https://junglewise.ai/threats/cve-2026-76973-due-to-a-memory-corruption-vulnerability-in-application-server)
- [SAP NetWeaver ABAP RFC protocol memory corruption](https://junglewise.ai/threats/cve-2026-76966-due-to-improper-rfc-protocol-validation-in-the-sap-kernel-used-by)
- [SAP NetWeaver Internet Graphics Service input validation buffer overflow](https://junglewise.ai/threats/cve-2026-120008-sap-netweaver-internet-graphics-service-does-not-sufficiently)
- [SAP NetWeaver SSRF in ABAP HTTP component](https://junglewise.ai/threats/cve-2026-109811-an-internal-abap-http-component-in-sap-netweaver-and-abap)
- [SAP NetWeaver Internet Graphics Service input validation denial of service](https://junglewise.ai/threats/cve-2026-109807-sap-netweaver-internet-graphics-service-does-not-sufficiently)