{"schema_version":1,"title":"Asyncssh Project Asyncssh vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 4 vulnerabilities in Asyncssh Project Asyncssh: 0 in the last 7 days and 4 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-62949, was published on 16 September 2026.","url":"https://junglewise.ai/threats/technologies/asyncssh","json_url":"https://junglewise.ai/threats/technologies/asyncssh.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/asyncssh","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":1,"all_time":4,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":1,"last_90_days":4,"last_365_days":4},"latest":[{"cve":"CVE-2026-62949","cvss":6.5,"epss":0.0055,"slug":"cve-2026-62949-asyncssh-event-loop-infinite-loop-via-zero-maximum-packet-size","title":"AsyncSSH is a Python package which provides an asynchronous client and server implementation of the SSHv2 protocol on top of the Python asyn","severity":"medium","exploited":false,"published_at":"2026-09-16T20:17:26.22+00:00","url":"https://junglewise.ai/threats/cve-2026-62949-asyncssh-event-loop-infinite-loop-via-zero-maximum-packet-size"},{"cve":"CVE-2026-45309","cvss":4,"epss":0.0059,"slug":"cve-2026-45309-ronf-asyncssh-path-traversal-in-authorizedkeysfile","title":"ronf AsyncSSH path traversal in AuthorizedKeysFile","severity":"medium","exploited":false,"published_at":"2026-07-17T19:17:14.333+00:00","url":"https://junglewise.ai/threats/cve-2026-45309-ronf-asyncssh-path-traversal-in-authorizedkeysfile"},{"cve":"CVE-2026-54591","cvss":8.1,"epss":0.0049,"slug":"cve-2026-54591-asyncssh-path-traversal-in-scp-client","title":"AsyncSSH path traversal in SCP client","severity":"high","exploited":false,"published_at":"2026-07-08T21:16:49.657+00:00","url":"https://junglewise.ai/threats/cve-2026-54591-asyncssh-path-traversal-in-scp-client"},{"cve":"CVE-2026-54590","cvss":5.9,"epss":0.0039,"slug":"cve-2026-54590-ronf-asyncssh-path-traversal-in-authorizedkeysfile-username","title":"ronf AsyncSSH path traversal in AuthorizedKeysFile username substitution","severity":"medium","exploited":false,"published_at":"2026-07-08T21:16:49.523+00:00","url":"https://junglewise.ai/threats/cve-2026-54590-ronf-asyncssh-path-traversal-in-authorizedkeysfile-username"}],"weekly":[{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":2},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0}],"related":[],"technology":{"hub":true,"name":"Asyncssh Project Asyncssh","slug":"asyncssh","vendor":{"name":"Asyncssh Project","slug":"asyncssh-project","url":"https://junglewise.ai/threats/vendors/asyncssh-project"},"aliases":[],"homepage":"https://asyncssh.readthedocs.io/","repo_url":"https://github.com/ronf/asyncssh","description":"A Python library that provides an asynchronous implementation of the SSHv2 protocol.","url":"https://junglewise.ai/threats/technologies/asyncssh"},"most_severe":[{"cve":"CVE-2026-54591","cvss":8.1,"epss":0.0049,"slug":"cve-2026-54591-asyncssh-path-traversal-in-scp-client","title":"AsyncSSH path traversal in SCP client","severity":"high","exploited":false,"published_at":"2026-07-08T21:16:49.657+00:00","url":"https://junglewise.ai/threats/cve-2026-54591-asyncssh-path-traversal-in-scp-client"},{"cve":"CVE-2026-62949","cvss":6.5,"epss":0.0055,"slug":"cve-2026-62949-asyncssh-event-loop-infinite-loop-via-zero-maximum-packet-size","title":"AsyncSSH is a Python package which provides an asynchronous client and server implementation of the SSHv2 protocol on top of the Python asyn","severity":"medium","exploited":false,"published_at":"2026-09-16T20:17:26.22+00:00","url":"https://junglewise.ai/threats/cve-2026-62949-asyncssh-event-loop-infinite-loop-via-zero-maximum-packet-size"},{"cve":"CVE-2026-54590","cvss":5.9,"epss":0.0039,"slug":"cve-2026-54590-ronf-asyncssh-path-traversal-in-authorizedkeysfile-username","title":"ronf AsyncSSH path traversal in AuthorizedKeysFile username substitution","severity":"medium","exploited":false,"published_at":"2026-07-08T21:16:49.523+00:00","url":"https://junglewise.ai/threats/cve-2026-54590-ronf-asyncssh-path-traversal-in-authorizedkeysfile-username"},{"cve":"CVE-2026-45309","cvss":4,"epss":0.0059,"slug":"cve-2026-45309-ronf-asyncssh-path-traversal-in-authorizedkeysfile","title":"ronf AsyncSSH path traversal in AuthorizedKeysFile","severity":"medium","exploited":false,"published_at":"2026-07-17T19:17:14.333+00:00","url":"https://junglewise.ai/threats/cve-2026-45309-ronf-asyncssh-path-traversal-in-authorizedkeysfile"}],"generated_at":"2026-09-28T03:07:00.154823+00:00"}