{"type":"post","id":"cisa-adds-fragnesia-linux-kernel-flaw-to-kev-9a0c5a","slug":"cisa-adds-fragnesia-linux-kernel-flaw-to-kev-9a0c5a","title":"CISA adds Fragnesia Linux kernel flaw to KEV, warning it is chained with PHP2Shell to plant root webshells","description":"CISA has added the Linux kernel flaw CVE-2026-46300, known as Fragnesia, to its Known Exploited Vulnerabilities catalog.","retrieval_nugget":"CISA has added the Linux kernel flaw CVE-2026-46300, known as Fragnesia, to its Known Exploited Vulnerabilities catalog. The important change is the reported chain: attackers can combine it with PHP2Shell flaws to move from a compromised PHP service to root-level command execution, raising the stakes for teams that run both PHP workloads and Linux hosts.","published_at":"2026-10-30","updated_at":"2026-10-30","record_date":"2026-10-30","date_kind":"published_at","topics":["security"],"entities":["CISA","Fragnesia","Linux","PHP2Shell","Dream Security","Perplexity"],"related_patterns":[],"novelty_label":"new_fact","what_changed":"CISA added the separate Fragnesia kernel flaw to KEV and warned it is being chained with PHP2Shell to plant root webshells.","prior_refs":["memory:6fbb8d06-0cc9-8f7b-a2dc-1fb990816991","memory:6556fab4-7163-82d7-a02e-c89b74cd8814","memory:a3d02fa6-bee4-89e5-a573-c03f9661eb90"],"source_url":"https://www.bleepingcomputer.com/news/security/cisa-warns-of-fragnesia-linux-flaw-chained-in-php2shell-attacks","source_urls":["https://www.bleepingcomputer.com/news/security/cisa-warns-of-fragnesia-linux-flaw-chained-in-php2shell-attacks"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:cisa-adds-fragnesia-linux-kernel-flaw-to-kev-9a0c5a","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/cisa-adds-fragnesia-linux-kernel-flaw-to-kev-9a0c5a/","markdown":"https://newruntime.com/posts/cisa-adds-fragnesia-linux-kernel-flaw-to-kev-9a0c5a.md","json":"https://newruntime.com/posts/cisa-adds-fragnesia-linux-kernel-flaw-to-kev-9a0c5a.json"},"next_reads":[{"type":"topic","path":"/topics/security/","url":"https://newruntime.com/topics/security/","title":"Security","reason":"Explore the security topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/security.md","json_url":"https://newruntime.com/topics/security.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/source-ledger.json","url":"https://newruntime.com/source-ledger.json","title":"Source Ledger","reason":"Inspect the public source evidence graph.","media_type":"application/json"}]}