Disclosure summary
nats-server websockets are vulnerable to pre-auth memory DoS
Source-reported weakness categories
CWE-409
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
Microsoft Security Updates (CVRF) · 2026-Feb
Open original source · Updated Feb 27, 2026
nats-server websockets are vulnerable to pre-auth memory DoS
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
Microsoft maximum product score: 5.9
| Vendor | Product / association | Version / bounds |
|---|---|---|
| Microsoft update guide | cbl2 telegraf 1.29.4-18 on CBL Mariner 2.0 | (MSRC status code 3) |
| Microsoft update guide | azl3 telegraf 1.31.0-12 on Azure Linux 3.0 | (MSRC status code 3) |
Vendor remediation references
- CBL-Mariner Releases · build 1.29.4-19 · product IDs 20782-17086
- Vendor guidance · product IDs 20782-17086
- CBL-Mariner Releases · build 1.31.0-13 · product IDs 20797-17084
- Vendor guidance · product IDs 20797-17084
Original records & references
- NIST NVD record
- CVE Program record
- msrc.microsoft.com — Vendor advisory
PUBLISHED 2026-02-26T20:01:45-05:00
MODIFIED 2026-02-27T20:39:54-05:00
INGESTED 2026-10-08T12:45:17-04:00