CVE-2026-109142 Krill - Broken Access Control

Krill contains a broken access control vulnerability caused by in-process RFC 6492 provisioning exchange trusting unverified child identity, letting attackers impersonate child CAs, exploit requires parent and child CAs on the same server.

CVSS base score 8.4 /10
High
CISA KEV
Not listed
Public exploit
None known
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Broken Access Control
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L
Published
2 November 2026
Updated
3 November 2026
Weakness
CWE-639

Vendor fix

Update to the latest version with proper child identity verification.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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