{"vulnerability": "CVE-2026-81913", "sightings": [{"uuid": "a21c4b7a-7016-488f-97c0-741f7d6340a3", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-81913", "type": "seen", "source": "https://bsky.app/profile/hugovalters.bsky.social/post/3mvwxxjyfyw2v", "content": "CVE-2026-81913: Concrete CMS 9.5.0-9.5.2 open redirect via rcURL parameter. Crafted links can send authenticated users to phishing sites, enabling credential theft. No CVSS published, patch status unknown. https://www.valtersit.com/cve/CVE-2026-81913/ #CVE #infosec #ConcreteCMS", "creation_timestamp": "2026-09-20T10:20:20.242824Z"}, {"uuid": "648af725-61fe-467f-be78-ab86ef33d5c7", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-81913", "type": "seen", "source": "https://mastodon.social/users/hugovalters/statuses/117302861469151909", "content": "CVE-2026-81913: Concrete CMS 9.5.0-9.5.2 open redirect via rcURL parameter. Crafted links can send authenticated users to phishing sites, enabling credential theft. No CVSS published, patch status unknown. https://www.valtersit.com/cve/CVE-2026-81913/ #CVE #infosec #ConcreteCMS", "creation_timestamp": "2026-09-20T10:20:22.759480Z"}]}