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OpenSSH flaw exploited in the wild just hours after disclosure (CVE-2026-123158)

An OpenSSH flaw that lets remote attackers log into passwordless accounts on Alpine Linux and other musl-based systems is being exploited, threat intelligence firm Previdian has warned. The flaw (CVE-2026-123158), nicknamed sshole by Wakefield researcher Özgün Kültekin, was fixed in OpenSSH 10.6p2 on November 5. “An attacker who can reach your SSH port can log in without knowing any password. It takes one connection,…

Vulnerabilities & Zero-Day Threat Intelligence Operating Systems
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Cisco Security Advisories

Vulnerabilities in PHP Affecting Cisco Products: October 2026

On October 21, the PHP Foundation announced the availability of a Critical PHP Security release addressing two critical vulnerabilities: CVE-2026-109618 - RCE via OOM corruption CVE-2026-109619 - RCE via stale global state For information about these vulnerabilities, see the advisories GHSA-w8hw-w9fx-j79w and GHSA-6wmf-4rv5-p3rp. These vulnerabilities are being referenced as PHP2shell. For information about Splunk pr…

Vulnerabilities & Zero-Day
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