{"metadata": {"vulnerability": "CVE-2026-9558", "count": 28, "kinds": {"milestone": 5, "sighting": 10, "kev": 0, "other": 13}}, "data": [{"timestamp": "2026-05-26T08:36:52.218Z", "date_only": false, "value": "2026-05-26T08:36:52.218Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "CVE-2026-9558", "field": "cveMetadata.dateReserved"}, {"timestamp": "2026-05-28T22:00:00Z", "date_only": false, "value": "2026-05-28T22:00:00.000+00:00", "kind": "other", "label": "Advisory revision", "source": "csaf_certbund \u00b7 WID-SEC-W-2026-1724", "record": "WID-SEC-W-2026-1724", "field": "document.tracking.revision_history.0.date"}, {"timestamp": "2026-05-28T22:00:00Z", "date_only": false, "value": "2026-05-28T22:00:00.000+00:00", "kind": "milestone", "label": "Published", "source": "csaf_certbund \u00b7 WID-SEC-W-2026-1724", "record": "WID-SEC-W-2026-1724", "field": "document.tracking.initial_release_date"}, {"timestamp": "2026-05-28T22:00:00Z", "date_only": false, "value": "2026-05-28T22:00:00.000+00:00", "kind": "other", "label": "Release date", "source": "csaf_certbund \u00b7 WID-SEC-W-2026-1724", "record": "WID-SEC-W-2026-1724", "field": "vulnerabilities.0.release_date"}, {"timestamp": "2026-05-29T10:01:36.019Z", "date_only": false, "value": "2026-05-29T10:01:36.019Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2026-9558", "field": "cveMetadata.datePublished"}, {"timestamp": "2026-05-29T10:01:36.019Z", "date_only": false, "value": "2026-05-29T10:01:36.019Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / Mautic", "record": "CVE-2026-9558", "field": "containers.cna.providerMetadata.dateUpdated"}, {"timestamp": "2026-05-29T10:48:50.985Z", "date_only": false, "value": "2026-05-29T10:48:50.985840Z", "kind": "other", "label": "Recorded", "source": "cvelistv5 / CISA-ADP", "record": "CVE-2026-9558", "field": "containers.adp.0.metrics.0.other.content.timestamp"}, {"timestamp": "2026-05-29T10:48:50.985Z", "date_only": false, "value": "2026-05-29T10:48:50.985840Z", "kind": "other", "label": "Recorded", "source": "fkie_nvd \u00b7 FKIE_CVE-2026-9558", "record": "FKIE_CVE-2026-9558", "field": "metrics.ssvcV203.0.ssvcData.timestamp"}, {"timestamp": "2026-05-29T10:49:06.099Z", "date_only": false, "value": "2026-05-29T10:49:06.099Z", "kind": "other", "label": "Updated", "source": "cvelistv5", "record": "CVE-2026-9558", "field": "cveMetadata.dateUpdated"}, {"timestamp": "2026-05-29T10:49:06.099Z", "date_only": false, "value": "2026-05-29T10:49:06.099Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / CISA-ADP", "record": "CVE-2026-9558", "field": "containers.adp.0.providerMetadata.dateUpdated"}, {"timestamp": "2026-05-29T11:16:17Z", "date_only": false, "value": "2026-05-29T11:16:17Z", "kind": "other", "label": "Nvd published at", "source": "github \u00b7 GHSA-9FX4-7CMJ-47VG", "record": "GHSA-9FX4-7CMJ-47VG", "field": "database_specific.nvd_published_at"}, {"timestamp": "2026-05-29T11:16:17.980Z", "date_only": false, "value": "2026-05-29T11:16:17.980", "kind": "milestone", "label": "Published", "source": "fkie_nvd \u00b7 FKIE_CVE-2026-9558", "record": "FKIE_CVE-2026-9558", "field": "published"}, {"timestamp": "2026-05-29T12:05:10.792Z", "date_only": false, "value": "2026-05-29T12:05:10.792731Z", "kind": "sighting", "label": "Seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mmyio2hges2e", "record": "CVE-2026-9558", "field": "creation_timestamp", "uuid": "6d788dce-9c77-43d4-b0a3-1df22c2a2bc4", "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...", "url": "https://bsky.app/profile/cve.skyfleet.blue/post/3mmyio2hges2e"}, {"timestamp": "2026-05-31T01:00:37.611Z", "date_only": false, "value": "2026-05-31T01:00:37.611648Z", "kind": "sighting", "label": "Seen", "source": "https://bsky.app/profile/thehackerwire.bsky.social/post/3mn4ehkhlmf2h", "record": "CVE-2026-9558", "field": "creation_timestamp", "uuid": "b035671c-aa0c-423f-b47e-5ad24c457628", "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", "url": "https://bsky.app/profile/thehackerwire.bsky.social/post/3mn4ehkhlmf2h"}, {"timestamp": "2026-05-31T22:00:00Z", "date_only": false, "value": "2026-05-31T22:00:00.000+00:00", "kind": "other", "label": "Advisory revision", "source": "csaf_certbund \u00b7 WID-SEC-W-2026-1724", "record": "WID-SEC-W-2026-1724", "field": "document.tracking.revision_history.1.date"}, {"timestamp": "2026-05-31T22:00:00Z", "date_only": false, "value": "2026-05-31T22:00:00.000+00:00", "kind": "other", "label": "Updated", "source": "csaf_certbund \u00b7 WID-SEC-W-2026-1724", "record": "WID-SEC-W-2026-1724", "field": "document.tracking.current_release_date"}, {"timestamp": "2026-06-01T06:37:37.538Z", "date_only": false, "value": "2026-06-01T06:37:37.538+00:00", "kind": "other", "label": "Document generated", "source": "csaf_certbund \u00b7 WID-SEC-W-2026-1724", "record": "WID-SEC-W-2026-1724", "field": "document.tracking.generator.date"}, {"timestamp": "2026-07-02T19:48:08Z", "date_only": false, "value": "2026-07-02T19:48:08Z", "kind": "milestone", "label": "Published", "source": "github \u00b7 GHSA-9FX4-7CMJ-47VG", "record": "GHSA-9FX4-7CMJ-47VG", "field": "published"}, {"timestamp": "2026-07-02T19:48:08Z", "date_only": false, "value": "2026-07-02T19:48:08Z", "kind": "other", "label": "Updated", "source": "github \u00b7 GHSA-9FX4-7CMJ-47VG", "record": "GHSA-9FX4-7CMJ-47VG", "field": "modified"}, {"timestamp": "2026-07-03T21:52:04.783Z", "date_only": false, "value": "2026-07-03T21:52:04.783888Z", "kind": "sighting", "label": "Seen", "source": "https://bsky.app/profile/stackflag.bsky.social/post/3mprjrqj6lu2a", "record": "CVE-2026-9558", "field": "creation_timestamp", "uuid": "14954aaf-7ec4-4c16-8b14-262c2518f8be", "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", "url": "https://bsky.app/profile/stackflag.bsky.social/post/3mprjrqj6lu2a"}, {"timestamp": "2026-07-13T22:00:04.982Z", "date_only": false, "value": "2026-07-13T22:00:04.982958Z", "kind": "sighting", "label": "Seen", "source": "https://t.me/GithubRedTeam/92831", "record": "CVE-2026-9558", "field": "creation_timestamp", "uuid": "7731409a-0575-4b7e-8063-631e78c255d9", "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", "url": "https://t.me/GithubRedTeam/92831"}, {"timestamp": "2026-07-14T00:00:07.917Z", "date_only": false, "value": "2026-07-14T00:00:07.917855Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/GithubRedTeam/92831", "record": "CVE-2026-9558", "field": "creation_timestamp", "uuid": "e87efe90-9d7d-4489-bffa-ca9625a8f34f", "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", "url": "https://t.me/GithubRedTeam/92831"}, {"timestamp": "2026-07-16T19:00:13.288Z", "date_only": false, "value": "2026-07-16T19:00:13.288335Z", "kind": "sighting", "label": "Seen", "source": "Telegram/IYbPLk4ERTEBv3PHVDATQd8EaZ4Sc0OJ99RE8uvxfU7J1W8", "record": "CVE-2026-9558", "field": "creation_timestamp", "uuid": "46aca400-32fa-4e28-a5c4-6b00a835b55a"}, {"timestamp": "2026-07-18T00:00:43.759Z", "date_only": false, "value": "2026-07-18T00:00:43.759148Z", "kind": "sighting", "label": "Published proof of concept", "source": "Telegram/IYbPLk4ERTEBv3PHVDATQd8EaZ4Sc0OJ99RE8uvxfU7J1W8", "record": "CVE-2026-9558", "field": "creation_timestamp", "uuid": "99b34252-6fb6-4389-ba50-1cb0ee7e1229"}, {"timestamp": "2026-07-21T12:10:00.090Z", "date_only": false, "value": "2026-07-21T12:10:00.090", "kind": "other", "label": "Updated", "source": "fkie_nvd \u00b7 FKIE_CVE-2026-9558", "record": "FKIE_CVE-2026-9558", "field": "lastModified"}, {"timestamp": "2026-10-03T03:00:06Z", "date_only": false, "value": "2026-10-03T03:00:06.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/GithubRedTeam/104131", "record": "CVE-2026-9558", "field": "creation_timestamp", "uuid": "9337973c-a1c4-4707-958a-6674b7426092", "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-lab-poc-bundle\n\ud83d\udc64 \u9879\u76ee\u4f5c\u8005\uff1a Cimihan123\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 2026-10-03 02:59:04\n\n\ud83d\udcdd \u9879\u76ee\u63cf\u8ff0\uff1a\nPOC for mautic SSTI\n\n\ud83d\udd17 \u70b9\u51fb\u8bbf\u95ee\u9879\u76ee\u5730\u5740", "url": "https://t.me/GithubRedTeam/104131"}, {"timestamp": "2026-10-03T07:00:15Z", "date_only": false, "value": "2026-10-03T07:00:15.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "Telegram/T6hKEm9P6IEiI_IDLuHefQ0u6ixfw0LdI1h6dVoirT0Hizg", "record": "CVE-2026-9558", "field": "creation_timestamp", "uuid": "e8390fc4-b943-4eb3-a43e-023fcf55bcf9"}, {"timestamp": "2026-10-03T07:00:15Z", "date_only": false, "value": "2026-10-03T07:00:15.000000Z", "kind": "sighting", "label": "Seen", "source": "Telegram/T6hKEm9P6IEiI_IDLuHefQ0u6ixfw0LdI1h6dVoirT0Hizg", "record": "CVE-2026-9558", "field": "creation_timestamp", "uuid": "61f04f03-e442-4c38-812b-48b2608108d7"}]}