{"vulnerability": "CVE-2026-53360", "sightings": [{"uuid": "1ef16cf0-1330-4d3f-a073-ece1c4f9fc49", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-53360", "type": "seen", "source": "https://bsky.app/profile/r-netsec-bot.bsky.social/post/3msux2fljyi2d", "content": "CVE-2026-53360: KVM SEV-SNP guest-to-host heap OOB and analysis of the upstream fix", "creation_timestamp": "2026-08-12T10:43:08.667652Z"}, {"uuid": "05644851-6060-489a-81fb-26b3150a5980", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-53360", "type": "seen", "source": "https://bsky.app/profile/r-netsec.bsky.social/post/3msv3uujtgc2r", "content": "CVE-2026-53360: KVM SEV-SNP guest-to-host heap OOB and analysis of the upstream fix", "creation_timestamp": "2026-08-12T12:09:31.245401Z"}, {"uuid": "239c985c-bdc7-4f58-9ed9-32cb1d4db7ca", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-53360", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mptu2dfayj2k", "content": "CVE-2026-53360 - KVM: SEV: Require in-GHCB scratch area if GHCB v2+ is in use\nCVE ID : CVE-2026-53360\n \n Published : July 4, 2026, 12:17 p.m. | 7\u00a0hours, 30\u00a0minutes ago\n \n Description : In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: SEV: Require in-GH...", "creation_timestamp": "2026-07-04T20:01:09.794913Z"}, {"uuid": "b91cd572-5b08-41d6-932e-28e2e9b68f2f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-53360", "type": "seen", "source": "https://infosec.exchange/users/offseq/statuses/116864426613570439", "content": "CVE-2026-53360: Linux kernel KVM SEV-SNP HIGH vuln allows SEV-SNP guests OOB read/write on host heap memory \ud83d\udc27. Heap corruption & info leaks possible. Patch status unclear \u2014 avoid untrusted guests & check advisories. https://radar.offseq.com/threat/ghsa-4pq2-jh73-g3hw-1f03f05c22f6fb26 #OffSeq #Linux #Vuln", "creation_timestamp": "2026-07-05T00:00:35.292872Z"}, {"uuid": "c6b5f008-29ba-404b-9de7-5cd88d2d7554", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-53360", "type": "seen", "source": "https://bsky.app/profile/kriptabiz.bsky.social/post/3mpumtqawvm2y", "content": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c CVE-2026-53360 \u0432 \u044f\u0434\u0440\u0435 Linux: \u0443\u0433\u0440\u043e\u0437\u0430 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0438 \u0435\u0451 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0435\n\n\n\nhttps://kripta.biz/posts/8C99A55A-7792-430A-9E6D-17D7B902BA59", "creation_timestamp": "2026-07-05T03:24:52.326539Z"}, {"uuid": "b184220d-7177-4649-b1e0-91bff1070f3d", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-53360", "type": "seen", "source": "https://infosec.exchange/users/vuldb/statuses/116865498833954941", "content": "A new vulnerability with increased severity was disclosed for Linux Kernel (CVE-2026-53360) https://vuldb.com/vuln/376322", "creation_timestamp": "2026-07-05T04:33:15.783430Z"}, {"uuid": "f0c2726b-7305-4d51-8873-a20b5093abdd", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-53360", "type": "seen", "source": "https://t.me/GithubRedTeam/91896", "content": "\ud83d\udea8 GitHub \u76d1\u63a7\u6d88\u606f\u63d0\u9192\n\n\ud83d\udea8 \u53d1\u73b0\u5173\u952e\u8bcd\uff1a #CVE-2026 #POC\n\n\ud83d\udce6 \u9879\u76ee\u540d\u79f0\uff1a CVE-2026-53360-POC\n\ud83d\udc64 \u9879\u76ee\u4f5c\u8005\uff1a 0xCyberstan\n\ud83d\udee0 \u5f00\u53d1\u8bed\u8a00\uff1a C\n\u2b50 Star\u6570\u91cf\uff1a 0  |  \ud83c\udf74 Fork\u6570\u91cf\uff1a 0\n\ud83d\udcc5 \u66f4\u65b0\u65f6\u95f4\uff1a 2026-07-04 12:35:55\n\n\ud83d\udcdd \u9879\u76ee\u63cf\u8ff0\uff1a\nPoC for CVE-2026-53360: guest-triggered heap out-of-bounds read/write in KVM SEV-SNP Page State Change (PSC) handling.\n\n\ud83d\udd17 \u70b9\u51fb\u8bbf\u95ee\u9879\u76ee\u5730\u5740", "creation_timestamp": "2026-07-13T22:00:12.979404Z"}, {"uuid": "c7a12964-89f9-4a19-9fba-df0162115cca", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-53360", "type": "seen", "source": "https://t.me/GithubRedTeam/91896", "content": "\ud83d\udea8 GitHub \u76d1\u63a7\u6d88\u606f\u63d0\u9192\n\n\ud83d\udea8 \u53d1\u73b0\u5173\u952e\u8bcd\uff1a #CVE-2026 #POC\n\n\ud83d\udce6 \u9879\u76ee\u540d\u79f0\uff1a CVE-2026-53360-POC\n\ud83d\udc64 \u9879\u76ee\u4f5c\u8005\uff1a 0xCyberstan\n\ud83d\udee0 \u5f00\u53d1\u8bed\u8a00\uff1a C\n\u2b50 Star\u6570\u91cf\uff1a 0  |  \ud83c\udf74 Fork\u6570\u91cf\uff1a 0\n\ud83d\udcc5 \u66f4\u65b0\u65f6\u95f4\uff1a 2026-07-04 12:35:55\n\n\ud83d\udcdd \u9879\u76ee\u63cf\u8ff0\uff1a\nPoC for CVE-2026-53360: guest-triggered heap out-of-bounds read/write in KVM SEV-SNP Page State Change (PSC) handling.\n\n\ud83d\udd17 \u70b9\u51fb\u8bbf\u95ee\u9879\u76ee\u5730\u5740", "creation_timestamp": "2026-07-14T00:00:20.965399Z"}, {"uuid": "ec393e72-010a-44a7-8c7d-4b3681188abe", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-53360", "type": "seen", "source": "https://bsky.app/profile/cyberhub.blog/post/3msyzhuohay24", "content": "\ud83d\udccc Analysis of CVE-2026-53360: KVM SEV-SNP Guest-to-Host Heap OOB Vulnerability and Fix https://www.cyberhub.blog/article/30591-analysis-of-cve-2026-53360-kvm-sev-snp-guest-to-host-heap-oob-vulnerability-and-fix", "creation_timestamp": "2026-08-14T01:37:06.988736Z"}, {"uuid": "d3799d65-80f9-40cf-9f7d-f4234f3776cc", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-53360", "type": "published-proof-of-concept", "source": "https://t.me/GithubRedTeam/91896", "content": "\ud83d\udea8 GitHub \u76d1\u63a7\u6d88\u606f\u63d0\u9192\n\n\ud83d\udea8 \u53d1\u73b0\u5173\u952e\u8bcd\uff1a #CVE-2026 #POC\n\n\ud83d\udce6 \u9879\u76ee\u540d\u79f0\uff1a CVE-2026-53360-POC\n\ud83d\udc64 \u9879\u76ee\u4f5c\u8005\uff1a 0xCyberstan\n\ud83d\udee0 \u5f00\u53d1\u8bed\u8a00\uff1a C\n\u2b50 Star\u6570\u91cf\uff1a 0  |  \ud83c\udf74 Fork\u6570\u91cf\uff1a 0\n\ud83d\udcc5 \u66f4\u65b0\u65f6\u95f4\uff1a 2026-07-04 12:35:55\n\n\ud83d\udcdd \u9879\u76ee\u63cf\u8ff0\uff1a\nPoC for CVE-2026-53360: guest-triggered heap out-of-bounds read/write in KVM SEV-SNP Page State Change (PSC) handling.\n\n\ud83d\udd17 \u70b9\u51fb\u8bbf\u95ee\u9879\u76ee\u5730\u5740", "creation_timestamp": "2026-07-15T00:00:29.251058Z"}, {"uuid": "a4d38113-f4c9-410b-9be1-407076f7ba67", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-53360", "type": "seen", "source": "Telegram/W5amUvjZQLp7x5QJxedoGRrfTMixYmkVE9L_7wilXlBm52k", "content": "", "creation_timestamp": "2026-07-16T19:00:22.508068Z"}, {"uuid": "c02ebd7d-ab18-4fea-b0ac-23ce3065ef16", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-53360", "type": "seen", "source": "Telegram/W5amUvjZQLp7x5QJxedoGRrfTMixYmkVE9L_7wilXlBm52k", "content": "", "creation_timestamp": "2026-07-17T00:00:39.020946Z"}, {"uuid": "72cd74ea-70ea-4c6f-991f-4d26a17f6c88", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-53360", "type": "published-proof-of-concept", "source": "Telegram/W5amUvjZQLp7x5QJxedoGRrfTMixYmkVE9L_7wilXlBm52k", "content": "", "creation_timestamp": "2026-07-18T00:00:21.878318Z"}, {"uuid": "6fd84c91-d29c-4d7d-bb6c-7777adcab1d3", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-53360", "type": "seen", "source": "https://bsky.app/profile/oxfemale.bsky.social/post/3mu4xebogjz2g", "content": "Original text: \"I found a KVM guest-to-host heap corruption bug and someone else got there first\" \u2014 Himanshu Anand, Security & Other Notes (August 10, 2026). Code, tables and figures below are reproduced verbatim with attri\nhttps://core-jmp.org/2026/08/kvm-sev-snp-psc-heap-corruption-cve-2026-53360/", "creation_timestamp": "2026-08-28T08:35:09.651442Z"}]}