# CVE-2026-109141

Auth flaw in Krill RPKI lets attackers create child CAs and ROAs via bulk import.

- Page: https://www.vulneraibility.com/cve/CVE-2026-109141
- CVSS: 8.4
- Known exploited: not in CISA KEV as of our last sync
- EPSS: 0.28% (percentile 20.1)
- CISA SSVC: exploitation none, automatable no, technical impact total (assessed 2026-11-02)
- Weakness: CWE-639
- Published: 2026-11-02

## Affected

- Krill (RPKI CA server)
- RPKI deployments using Krill
- Network routing infrastructure relying on RPKI

## Impact

Privilege escalation to CA-level: add child CAs, inherit resources, create ROAs enabling route hijack and certificate misuse.

## Action

Immediate action required

## Recommendation

Disable bulk import, audit CA-role mappings, rotate CA keys, apply vendor patch when released.

## References

- [advisory] https://www.nlnetlabs.nl/downloads/krill/CVE-2026-109141.txt

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.