{"id":"CVE-2026-109141","aliases":["EUVD-2026-115256","GHSA-9rcf-27j4-vxg2"],"status":"published","title":"Krill users restricted to one CA can make any other CA delegate its prefixes and publish ROAs for them via bulk import","description":"The vulnerability gives a role that is restricted to a list of CAs (cas = [...]) its full permission set for every request that is not tied to a CA, including the bulk import endpoint POST /api/v1/bulk/cas/import. It adds a new child CA under any existing CA, gives the child any of that CA's resources, and creates the ROAs given in the request","severity":{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00276,"percentile":0.20252,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-639"],"published":"2026-11-02T15:42:05Z","modified":"2026-11-02T19:35:33Z","products":[{"vendor":"nlnet labs","product":"krill"}],"references":[{"url":"https://www.nlnetlabs.nl/downloads/krill/CVE-2026-109141.txt","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-109141"},{"url":"https://github.com/advisories/GHSA-9rcf-27j4-vxg2"}],"sources":{"cve":[{"id":"CVE-2026-109141","title":"Krill users restricted to one CA can make any other CA delegate its prefixes and publish ROAs for them via bulk import","description":"The vulnerability gives a role that is restricted to a list of CAs (cas = [...]) its full permission set for every request that is not tied to a CA, including the bulk import endpoint POST /api/v1/bulk/cas/import. It adds a new child CA under any existing CA, gives the child any of that CA's resources, and creates the ROAs given in the request","status":"published","published":"2026-11-02T15:42:05.616Z","modified":"2026-11-02T16:11:53.977Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L","level":"high","assessor":"cna"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T18:00:08.034842Z"}],"euvd":[{"id":"EUVD-2026-115256","description":"The vulnerability gives a role that is restricted to a list of CAs (cas = [...]) its full permission set for every request that is not tied to a CA, including the bulk import endpoint POST /api/v1/bulk/cas/import. It adds a new child CA under any existing CA, gives the child any of that CA's resources, and creates the ROAs given in the request","status":"published","published":"2026-11-02T15:42:05Z","modified":"2026-11-02T16:11:53Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L","level":"high"}],"updated_at":"2026-11-03T05:08:40.251173Z"}],"ghsa":[{"id":"GHSA-9rcf-27j4-vxg2","title":"The vulnerability gives a role that is restricted to a list of CAs (cas = [...]) its full...","description":"The vulnerability gives a role that is restricted to a list of CAs (cas = [...]) its full permission set for every request that is not tied to a CA, including the bulk import endpoint POST /api/v1/bulk/cas/import. It adds a new child CA under any existing CA, gives the child any of that CA's resources, and creates the ROAs given in the request","status":"published","published":"2026-11-02T18:32:25Z","modified":"2026-11-02T18:32:26Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L","level":"high"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T19:02:40.409728Z"}],"nvd":[{"id":"CVE-2026-109141","description":"The vulnerability gives a role that is restricted to a list of CAs (cas = [...]) its full permission set for every request that is not tied to a CA, including the bulk import endpoint POST /api/v1/bulk/cas/import. It adds a new child CA under any existing CA, gives the child any of that CA's resources, and creates the ROAs given in the request","status":"published","published":"2026-11-02T16:17:27.12Z","modified":"2026-11-02T19:35:33.347Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L","level":"high","assessor":"secondary"}],"cwes":["CWE-639"],"updated_at":"2026-11-03T00:02:42.67885Z"}]}}