CVE-2026-45309: asyncssh before 2.23.0 (exclusive), < 2.23.0

CVE-2026-45309. CVSS 3.1 base score 7.5 (HIGH, NVD). EPSS 0.00592 (percentile 0.4767), scored 24-Oct-2026.

Affected technology

asyncssh · before 2.23.0 (exclusive)
asyncssh project

asyncssh · < 2.23.0
ronf

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Vendor/CNA’s CVSS 4.0 assessment (base score 8.2/10) rates confidentiality and availability impact as none; integrity impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 25-Oct-2026 01:30 UTC

CWE: CWE-22
CCR priority: 30.1 /100 (P4)
CVSS 3.1: 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N · NVD
EPSS: 0.00592 · percentile 0.4767 · 2026-10-24
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-25 01:28:19.133527+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-45309.html