{"vulnerability": "CVE-2026-9558", "sightings": [{"uuid": "6d788dce-9c77-43d4-b0a3-1df22c2a2bc4", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-9558", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mmyio2hges2e", "content": "CVE-2026-9558 - Mautic Twig Template Injection Vulnerability\nCVE ID : CVE-2026-9558\n \n Published : May 29, 2026, 10:01 a.m. | 1\u00a0hour, 9\u00a0minutes ago\n \n Description : A Server-Side Template Injection (SSTI) vulnerability exists in Mautic's theme engine. The platform renders uplo...", "creation_timestamp": "2026-05-29T12:05:10.792731Z"}, {"uuid": "b035671c-aa0c-423f-b47e-5ad24c457628", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-9558", "type": "seen", "source": "https://bsky.app/profile/thehackerwire.bsky.social/post/3mn4ehkhlmf2h", "content": "\ud83d\udd34 CVE-2026-9558 - Critical (9.9)\n\nA Server-Side Template Injection (SSTI) vulnerability exists in Mautic's theme engine. The platfo...\n\nhttps://www.thehackerwire.com/vulnerability/CVE-2026-9558/\n\n#infosec #cybersecurity #CVE #vulnerability #security #patchstack", "creation_timestamp": "2026-05-31T01:00:37.611648Z"}, {"uuid": "14954aaf-7ec4-4c16-8b14-262c2518f8be", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-9558", "type": "seen", "source": "https://bsky.app/profile/stackflag.bsky.social/post/3mprjrqj6lu2a", "content": "CVE-2026-9558 - core\nMautic's theme engine is vulnerable to attacks that can execute malicious code on the hosting server. This is a risk because an authenticated user with permission to upload themes\u2026\n\nToo many irrelevant or confusing CVEs? Use stackflag.com\n\n#core #mautic #composer #CVE #infosec", "creation_timestamp": "2026-07-03T21:52:04.783888Z"}, {"uuid": "7731409a-0575-4b7e-8063-631e78c255d9", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-9558", "type": "seen", "source": "https://t.me/GithubRedTeam/92831", "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-2026-9558-poc\n\ud83d\udc64 \u9879\u76ee\u4f5c\u8005\uff1a covepseng\n\ud83d\udee0 \u5f00\u53d1\u8bed\u8a00\uff1a Unknown\n\u2b50 Star\u6570\u91cf\uff1a 0  |  \ud83c\udf74 Fork\u6570\u91cf\uff1a 0\n\ud83d\udcc5 \u66f4\u65b0\u65f6\u95f4\uff1a 2026-07-10 12:13:25\n\n\ud83d\udcdd \u9879\u76ee\u63cf\u8ff0\uff1a\nExploitability PoC for CVE-2026-9558 (SSTI Mautic Theme)\n\n\ud83d\udd17 \u70b9\u51fb\u8bbf\u95ee\u9879\u76ee\u5730\u5740", "creation_timestamp": "2026-07-13T22:00:04.982958Z"}, {"uuid": "e87efe90-9d7d-4489-bffa-ca9625a8f34f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-9558", "type": "published-proof-of-concept", "source": "https://t.me/GithubRedTeam/92831", "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-2026-9558-poc\n\ud83d\udc64 \u9879\u76ee\u4f5c\u8005\uff1a covepseng\n\ud83d\udee0 \u5f00\u53d1\u8bed\u8a00\uff1a Unknown\n\u2b50 Star\u6570\u91cf\uff1a 0  |  \ud83c\udf74 Fork\u6570\u91cf\uff1a 0\n\ud83d\udcc5 \u66f4\u65b0\u65f6\u95f4\uff1a 2026-07-10 12:13:25\n\n\ud83d\udcdd \u9879\u76ee\u63cf\u8ff0\uff1a\nExploitability PoC for CVE-2026-9558 (SSTI Mautic Theme)\n\n\ud83d\udd17 \u70b9\u51fb\u8bbf\u95ee\u9879\u76ee\u5730\u5740", "creation_timestamp": "2026-07-14T00:00:07.917855Z"}]}