{"vulnerability": "CVE-2026-77991", "sightings": [{"uuid": "1d9298f9-3017-461b-9fc5-a48c4272d364", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-77991", "type": "seen", "source": "https://bsky.app/profile/stackflag.bsky.social/post/3mu2tzgavdi2e", "content": "CVE-2026-77991 - jem - joomla event manager extension for joomla\nThe Joomla Event Manager extension (versions before 5.0.1) lets a user with admin access upload files that can contain executable code. This could allow an\u2026\n\nToo many irrelevant or confusing CVEs? Use stackflag.com\n\n#CVE #infosec", "creation_timestamp": "2026-08-27T12:30:04.268514Z"}, {"uuid": "2dd65b02-332b-4046-a489-aa82bf522b8e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-77991", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/dmsg46ygflarn", "content": "CVE-2026-77991 - Joomla Extension - joomlaeventmanager.net - Privileged remote code execution in Joomla Event Manager\nCVE ID : CVE-2026-77991\n \n Published : Aug. 27, 2026, 6:17 a.m. | 18\u00a0minutes ago\n \n Description : Joomla Extension - joomlaeventmanager.net - Privileged remote...", "creation_timestamp": "2026-08-27T06:53:14.756380Z"}, {"uuid": "74b2b61c-b68d-473a-94f0-cc55ea7f842a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-77991", "type": "seen", "source": "https://bsky.app/profile/stemshop.bsky.social/post/3mu2fdn25mw2m", "content": "\ud83d\udea8 CVE-2026-77991 \u2014 CVSS 9.4 CRITICAL\n\nJoomla Extension - joomlaeventmanager.net - Privileged remote code execution in Joomla Event Manager < 5.0....\n\n\ud83d\udd0e https://stemshop.top/cve/CVE-2026-77991\n\n#CVE #CyberSecurity #InfoSec", "creation_timestamp": "2026-08-27T08:07:20.452694Z"}, {"uuid": "368e312d-aea0-4429-96ae-6721f1a4099f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-77991", "type": "seen", "source": "Telegram/H7T7dK3uqmkjlkp23xt7S3AYXc4CzofFX2dd1POZQ2XzQMI", "content": "", "creation_timestamp": "2026-09-18T21:00:05.169558Z"}, {"uuid": "873db142-07f8-4beb-8870-56c2d393b429", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-77991", "type": "published-proof-of-concept", "source": "Telegram/H7T7dK3uqmkjlkp23xt7S3AYXc4CzofFX2dd1POZQ2XzQMI", "content": "", "creation_timestamp": "2026-09-19T00:00:09.434192Z"}, {"uuid": "0892d2e4-4456-4601-88b3-3ac84881c65d", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-77991", "type": "seen", "source": "Telegram/RS5m0OdVynqfpAXslopdUI2FReOGMsRVPyHSkkL3z1_1Kmc", "content": "", "creation_timestamp": "2026-09-22T07:00:11.839971Z"}, {"uuid": "5f01b563-fa40-444a-88ec-8c39a19c4adb", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-77991", "type": "published-proof-of-concept", "source": "Telegram/RS5m0OdVynqfpAXslopdUI2FReOGMsRVPyHSkkL3z1_1Kmc", "content": "", "creation_timestamp": "2026-09-23T00:00:10.843454Z"}]}