Search: CVE-2026-55655

1 threat

Severity	CVSS	Signals	Threat	Source	Published	Score and star
Medium	5.0	EPSS <0.1%	CVE-2026-55655Red Hat Enterprise Linux 10 · Improper Restriction of Communication Channel to Intended Endpoints Medium5.0EPSS <0.1%2026-06-23CVE Database V5CVE-2026-55655 A flaw was found in OpenSSH. A local unprivileged attacker on a Linux client host can hijack client-side X11 forwarding connections. This is possible by pre-binding the preferred abstract X socket name when X11 forwarding is enabled and a local UNIX-domain X socket is used. A successful attack can compromise the confidentiality of forwarded X11 traffic, including sensitive window contents and input, and may allow some manipulation of the forwarded session. EPSS <0.1%Vulnerability	CVE Database V5	2026-06-23

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