# CVE-2026-90996

## Summary

- **CVE ID:** CVE-2026-90996
- **Severity:** MEDIUM
- **CVSS Score:** 4 (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
- **CWE:** CWE-191
- **Published:** Sep 14, 2026
- **Last Modified:** Sep 16, 2026

## Description

A flaw was found in sssd. A local unprivileged user could send a specially crafted request with a zero-length body to the Network Security Services (NSS) responder. This could lead to a denial-of-service condition, causing the NSS responder to become unstable or terminate. This vulnerability affects the availability of the system responder.

## Affected Products

No affected products listed.

## References

- [CNA](https://access.redhat.com/security/cve/CVE-2026-90996)
- [CNA](https://bugzilla.redhat.com/show_bug.cgi?id=2478986)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.11%
- **EPSS Percentile:** 1.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._