CVE-2026-109806: Out-of-bounds Read (CVSS 7.5)

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.

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CVSS v3.1 Score

7.5

HIGH

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

EPSS — Exploit Prediction

0.0036

Probability of exploitation

0.30%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-125 Out-of-bounds Read

References

Other References

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

Frequently Asked Questions

What is CVE-2026-109806? +

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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-109806? +

CVE-2026-109806 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0036, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-109806? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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