{"vulnerability": "cve-2026-55107", "sightings": [{"uuid": "54a9ee68-7188-44a3-ad1e-bdb5813ae5cb", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55107", "type": "seen", "source": "https://bsky.app/profile/stackflag.bsky.social/post/3mtf5yq2fzd2j", "content": "CVE-2026-55107 - kobako\nAn attacker can run arbitrary Ruby code in the host process, potentially reading or modifying host data, spawning processes, and more. This is a serious issue because it defeats the\u2026\n\nToo many irrelevant or confusing CVEs? Use stackflag.com\n\n#kobako #Ruby #CVE #infosec", "creation_timestamp": "2026-08-18T21:30:04.918240Z"}, {"uuid": "9ef38150-f8f4-4413-9292-1af1d92113ab", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-55107", "type": "published-proof-of-concept", "source": "https://github.com/elct9620/kobako/security/advisories/GHSA-7pwq-q9jf-539h", "content": "", "creation_timestamp": "2026-08-18T22:35:38.773437Z"}, {"uuid": "727fd653-636b-418b-848b-780db2d4a7d2", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55107", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/f47fntotfb6un", "content": "CVE-2026-55107 - Kobako Vulnerable to Sandbox Escape: guest eval reaches host RCE via method_missing \u2192 public_send (any bound Service)\nCVE ID : CVE-2026-55107\n \n Published : Sept. 30, 2026, 6:18 p.m. | 20\u00a0minutes ago\n \n Description : Kobako is a Ruby gem that embeds a Wasm-iso...", "creation_timestamp": "2026-09-30T19:12:47.238912Z"}, {"uuid": "81981f82-73ee-46e7-b1d2-6baff172c278", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55107", "type": "seen", "source": "https://bsky.app/profile/stemshop.bsky.social/post/3mwr5ipraxt2o", "content": "\ud83d\udea8 CVE-2026-55107 \u2014 CVSS 10 CRITICAL\n\nKobako is a Ruby gem that embeds a Wasm-isolated mruby interpreter inside applications, allowing execution ...\n\n\ud83d\udd0e https://stemshop.top/cve/CVE-2026-55107\n\n#CVE #CyberSecurity #InfoSec", "creation_timestamp": "2026-09-30T20:08:38.452263Z"}]}