CVE-2026-109141
Krill users restricted to one CA can make any other CA delegate its prefixes and publish ROAs for them via bulk import
CVSS Score
8.4
EPSS Score
0.0%
EPSS Percentile
0th
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
| CWE | CWE-639 |
| Vendor | nlnet labs |
| Product | krill |
| Published | Nov 2, 2026 |
| Last Updated | Nov 2, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
NLnet Labs / Krill
All versions affected References
Credits
Anthropic and Ada Logics