[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fb6uLWGAMUhGoTzlUQsCwgBzQRgmPCi0y25WzPU-dL7k":3},{"article":4,"iocs":42},{"id":5,"title":6,"slug":7,"summary":8,"ai_summary":9,"brief":10,"full_text":11,"url":12,"image_url":13,"published_at":14,"ingested_at":15,"relevance_score":16,"entities":17,"category_id":27,"category":28,"article_tags":31},"476c5f20-550d-492d-809c-e9532333904e","New threat brief: CVE-2026-0300, a buffer overflow vulnerability in the PAN-OS User-ID Authentica...","new-threat-brief-cve-2026-0300-a-buffer-overflow-vulnerability-in-the-pan-os-use-66a8ac","New threat brief: CVE-2026-0300, a buffer overflow vulnerability in the PAN-OS User-ID Authentication Portal. Unit 42 observed limited exploitation for unauthenticated RCE. Read our analysis for mitigation steps and Palo Alto Networks guidance: https:\u002F\u002Ft.co\u002FOVuhlzMxdH https:\u002F\u002Ft.co\u002F0pHBPShxY9","Unit 42 has identified CVE-2026-0300, a buffer overflow vulnerability in the Palo Alto Networks PAN-OS User-ID Authentication Portal that allows unauthenticated remote code execution. Limited exploitation has been observed in the wild. Palo Alto Networks has released mitigation guidance and patches to address the flaw.","CVE-2026-0300 buffer overflow in PAN-OS User-ID portal enables unauthenticated RCE.",null,"https:\u002F\u002Fx.com\u002FUnit42_Intel\u002Fstatus\u002F2052533460523200691","https:\u002F\u002Fpbs.twimg.com\u002Fmedia\u002FHHwQSgZXAAAWGbd.jpg","2026-05-07T23:38:05+00:00","2026-05-08T00:00:09.754175+00:00",9,[18,21,24],{"name":19,"type":20},"Palo Alto Networks","vendor",{"name":22,"type":23},"PAN-OS","product",{"name":25,"type":26},"Unit 42","threat_actor","80544778-fabb-4dcd-aa35-17492e5dcf4f",{"id":27,"icon":11,"name":29,"slug":30},"Vulnerabilities","vulnerabilities",[32,37],{"category":33},{"id":34,"icon":11,"name":35,"slug":36},"574f766a-fb3f-487c-8d2c-0720ae75471b","Zero-day","zero-day",{"category":38},{"id":39,"icon":11,"name":40,"slug":41},"e7b231c8-5f79-4465-8d38-1ef13aea5a14","Threat Intelligence","threat-intelligence",[43],{"type":44,"value":45,"context":46},"cve","CVE-2026-0300","Buffer overflow in PAN-OS User-ID Authentication Portal leading to unauthenticated RCE"]