Security · 3h ago
OpenBSD bug lets local users escalate to root
A use-after-free vulnerability in OpenBSD allows local privilege escalation to root. The flaw, tracked as CVE-2026-57589, affects the kernel and can be exploited by an unprivileged user. OpenBSD developers have released a patch to address the issue.
Meridian48 take
While OpenBSD is known for security, this bug shows no OS is immune to memory safety flaws — and local privilege escalation is especially dangerous on multi-user systems.
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OpenBSD has a use-after-free allowing local privilege escalation to root →
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