https://vulnerability.circl.lu/sightings/feed 2026-08-27T16:59:47.327101+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent sightings. https://vulnerability.circl.lu/sighting/3636abdc-8140-4dca-b3d2-c307f74c55ef/export 2026-08-27T16:59:47.351737+00:00 Automation user https://cve.circl.lu/user/automation {"uuid": "3636abdc-8140-4dca-b3d2-c307f74c55ef", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55640", "type": "seen", "source": "https://bsky.app/profile/stackflag.bsky.social/post/3mtwvqbtp6j2y", "content": "CVE-2026-55640 - nextcloud-mcp-server\nThe webhook endpoint used by Nextcloud MCP does not require a secret by default, so anyone can send a POST request that tells the system to remove stored vector\u2026\n\nToo many irrelevant or confusing CVEs? Use stackflag.com\n\n#cbcoutinho #pip #CVE #infosec", "creation_timestamp": "2026-08-25T22:50:06.325953Z"} 2026-08-25T22:50:06.325953+00:00 https://vulnerability.circl.lu/sighting/9900edce-596c-4e01-a66b-e77e8d47fc0f/export 2026-08-27T16:59:47.353007+00:00 Joseph Lee https://cve.circl.lu/user/syspect {"uuid": "9900edce-596c-4e01-a66b-e77e8d47fc0f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-55640", "type": "published-proof-of-concept", "source": "https://github.com/cbcoutinho/nextcloud-mcp-server/security/advisories/GHSA-8vh3-g2qg-2h2c", "content": "", "creation_timestamp": "2026-08-25T18:35:19.312696Z"} 2026-08-25T18:35:19.312696+00:00 https://vulnerability.circl.lu/sighting/e64d224b-73b7-47be-aa82-a865256b35ec/export 2026-08-27T16:59:47.353892+00:00 Automation user https://cve.circl.lu/user/automation {"uuid": "e64d224b-73b7-47be-aa82-a865256b35ec", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55640", "type": "seen", "source": "https://bsky.app/profile/stemshop.bsky.social/post/3mtwfys2tk52p", "content": "\ud83d\udea8 CVE-2026-55640 \u2014 CVSS 9.1 CRITICAL\n\nNextcloud MCP Server is a production-ready MCP server that connects AI assistants to a Nextcloud instance. ...\n\n\ud83d\udd0e https://stemshop.top/cve/CVE-2026-55640\n\n#CVE #CyberSecurity #InfoSec", "creation_timestamp": "2026-08-25T18:08:31.434239Z"} 2026-08-25T18:08:31.434239+00:00