Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-106583

CVE-2026-106583HIGH

OpenBSD OpenSSH — In ssh in OpenSSH before 10.6, a $ or \ character can occur in a command-line username, leading to injection.

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   L   N   R  U  H  H  H    7.8   .0015    3.9     —

AFFECTED
  Product  Versions     Fixed
  OpenSSH  unspecified  —

TIMELINE
  Oct 6   Reserved by mitre
  Oct 6   Published (CNA: mitre)
  Oct 13  RESCORED — CVE-2026-106583 (OpenBSD OpenSSH). CVSS 2.5 → 7.8 (NVD).

CWE-99 · CNA: mitre · CVSS v3.1 · 1 reference · NVD status: Analyzed

Description

In ssh in OpenSSH before 10.6, a $ or \ character can occur in a command-line username, leading to injection.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
October 6, 2026	Reserved	Reserved by mitre
October 6, 2026	Published	Published (CNA: mitre)
October 13, 2026	RESCORED	RESCORED — CVE-2026-106583 (OpenBSD OpenSSH). CVSS 2.5 → 7.8 (NVD).

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
OpenBSD	OpenSSH	—	—	—

Weaknesses

CWE-99

References (1)

https://www.openssh.org/releasenotes.html#10.6 [Release Notes]

Authoritative record: CVE-2026-106583 at cve.org

Vendors: openbsd

Weaknesses: CWE-99

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-106583 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 Monday, October 19, 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.