Is there a public exploit for CVE-2026-109141?

No public exploit for CVE-2026-109141 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-109141?

CVE-2026-109141 scores CVSS 8.4 (v3.1), rated high.

What does CVE-2026-109141 affect?

CVE-2026-109141 affects NLnet Labs Krill.

8.4 High

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…

CVE-2026-109141

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

Assessment

CVSS: 8.4 (v3.1)
Severity: High
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 2 November 2026
Last updated: 2 November 2026
Affected: NLnet Labs · Krill
Assigner: NLnet Labs

CVSS vectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L

At the source

EUVD (ENISA)

References

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