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Vulnerability Database · PyPI · asyncssh · Version

asyncssh 1.17.1

1.17.1 is affected by 11 vulnerabilities.

The vulnerabilities that cover this exact version are listed below with the fixed version to move to. The upgrade Vulert recommends: 2.24.1.

Critical 0 High 3 Medium 8 Low 0 Unrated 0

All asyncssh versions & vulnerabilities → Search the database for this package →
Released 24 Jul 2019 Licence non-standard Also known from other sources 11 Newer releases 93 Database updated 23/Oct/2026

Release and licence data published by PyPI. Licence information is not legal advice.

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01 Vulnerabilities affecting this version

asyncssh 1.17.1 vulnerabilities

11 vulnerabilities cover asyncssh 1.17.1. Scroll the table for all of them, or open the full list in the database.

Vulnerability Severity Fixed version Disclosed
CVE-2026-54591: asyncssh Arbitrary File Write Vulnerability via SCP Path Traversal 8.1 high 2.23.1 10 Sep 2026
CVE-2026-54591: asyncssh SCP Path Traversal Vulnerability Leading to Arbitrary File Write 8.1 high 2.23.1 26 Aug 2026
CVE-2023-46446: AsyncSSH Rogue Session Attack 8.1 high 2.14.1 09 Nov 2023
CVE-2023-46446: Vulnerability in AsyncSSH Allows Remote Control of SSH Client Session 6.8 medium 2.14.1 14 Nov 2023
CVE-2026-62949: AsyncSSH Client and Server Event Loop Freeze via Zero Maximum Packet Size 6.5 medium 2.24.0 01 Oct 2026
CVE-2026-62949: AsyncSSH Client and Server Event Loop Freeze via Zero Maximum Packet Size 6.5 medium 2.24.0 17 Sep 2026
CVE-2026-54590: asyncssh Incomplete Fix Allows Unauthorized Access via Usernames with Leading Tilde 5.9 medium 2.23.1 10 Sep 2026
CVE-2026-54590: asyncssh Incomplete Fix Allows Unauthorized Access via Leading Tilde in AuthorizedKeysFile 5.9 medium 2.23.1 26 Aug 2026
AsyncSSH Prefix Truncation Attack against ChaCha20-Poly1305 and Encrypt-then-MAC 5.9 medium 2.14.2 18 Dec 2023
CVE-2023-46445: AsyncSSH Extension Info Message Control 5.9 medium 2.14.1 14 Nov 2023
CVE-2023-46445: AsyncSSH Rogue Extension Negotiation 5.3 medium 2.14.1 09 Nov 2023

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Questions

About asyncssh 1.17.1

Is asyncssh 1.17.1 vulnerable?

Yes. 11 vulnerabilities in the Vulert database cover asyncssh 1.17.1: 0 critical, 3 high, 8 medium and 0 low. The upgrade Vulert recommends is 2.24.1, and each entry above names the fixed version to move to.

Which version of asyncssh should I use instead of 1.17.1?

2.24.1 is the version Vulert recommends for this release line. The version table on the package page lists every release with the vulnerabilities recorded against it.

Is 1.17.1 the latest release of asyncssh?

No. 1.17.1 was published 24 Jul 2019, and newer releases exist. Newer is not automatically safer — the version table on the package page shows what each release carries.

How do I monitor asyncssh for upcoming vulnerabilities?

Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the asyncssh version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.