{"vulnerability": "cve-2026-52891", "sightings": [{"uuid": "d9b24df5-b0bc-434e-b83f-41d64a088c0c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-52891", "type": "seen", "source": "https://bsky.app/profile/stackflag.bsky.social/post/3mqpq5spsbr25", "content": "CVE-2026-52891 - wekan\nWekan, an open source project management tool, allows attackers to execute commands on the server by uploading a malicious avatar with special characters. This can lead to unauthorized access and\u2026\n\nToo many irrelevant or confusing CVEs? Use stackflag.com\n\n#wekan #CVE #infosec", "creation_timestamp": "2026-07-15T22:06:04.313239Z"}, {"uuid": "534b1c66-1e5d-466c-97ee-b40d87f6fa54", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-52891", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mqpyal2izp2s", "content": "CVE-2026-52891 - Wekan: Shell Injection via Avatar Upload\nCVE ID : CVE-2026-52891\n \n Published : July 15, 2026, 10:17 p.m. | 17\u00a0minutes ago\n \n Description : Wekan is open source kanban built with Meteor. Prior to 9.07, Wekan avatar upload functionality embeds user-supplied fil...", "creation_timestamp": "2026-07-16T00:30:46.914649Z"}]}