Reference page — cumulative record through Saturday, October 3, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-100658
Netty before 4.1.138.Final Denial of Service via WebSocketServerExtensionHandler
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N L N N N N N L 6.9 .0035 25.9 —
AFFECTED
Product Versions Fixed
netty 4.1.88.Final – 4.1.138.Final
netty 4.2.0.Final – 4.2.18.Final
TIMELINE
Sep 26 Reserved by VulnCheck
Sep 26 Published (CNA: VulnCheck)
Sep 28 REJECTED — CVE-2026-100658 (netty). Record withdrawn by the CNA.
Description
This CVE ID has been rejected as a duplicate.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
|---|
| September 26, 2026 | Reserved | Reserved by VulnCheck |
| September 26, 2026 | Published | Published (CNA: VulnCheck) |
| September 28, 2026 | REJECTED | REJECTED — CVE-2026-100658 (netty). Record withdrawn by the CNA. |
Affected
Affected products and packages — 2 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| netty | netty | — | 4.1.88.Final | 4.1.138.Final |
| netty | netty | — | 4.2.0.Final | 4.2.18.Final |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-100658 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Saturday, October 3, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
