1 sources verified·1 min read
By Lyrie Threat Intelligence·7/21/2026
0day Intel: ❗️❗️Threat actors are actively exploiting a critical authentication bypass flaw
Source: X search for CVE-2026 critical
Posted: 2026-07-21T05:51:28.000Z
Likes: 114
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❗️❗️Threat actors are actively exploiting a critical authentication bypass flaw in Palo Alto Networks firewalls to breach corporate networks and deploy Qilin ransomware.
Full Story: https://t.co/eIxoPIzIrV
The flaw, tracked as CVE-2026-0257 (CVSS 7.8), affects the GlobalProtect https://t.co/QLcOsh3jHP
Source Link
https://x.com/i/status/2079444123929788462
Lyrie Verdict
Lyrie's autonomous defense layer flags this class of exposure the moment it surfaces — no signature update required.
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