# NLnet Labs Krill vulnerabilities

Source: https://junglewise.ai/threats/technologies/krill  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 10 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/krill.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 3 vulnerabilities in NLnet Labs Krill: 0 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-109142, was published on 2 November 2026. 3 vulnerabilities in the last four weeks, up from none in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 3
- Last 90 days: 3
- All time: 3 (0 critical, 0 exploited in the wild)

## About NLnet Labs Krill

RPKI relying party software for validating cryptographic signatures on internet routing data.

## Latest NLnet Labs Krill vulnerabilities

- [CVE-2026-109142: NLnet Labs Krill parent CA authentication bypass](https://junglewise.ai/threats/cve-2026-109142-when-a-ca-s-parent-lives-on-the-same-krill-server-instead-of) (high, CVSS 8.4, published 2 Nov 2026)
- [CVE-2026-109141: Krill authorization bypass in bulk CA import](https://junglewise.ai/threats/cve-2026-109141-the-vulnerability-gives-a-role-that-is-restricted-to-a-list-of) (high, CVSS 8.4, published 2 Nov 2026)
- [CVE-2026-109140: NLnet Labs Krill session token forgery via nonce reuse](https://junglewise.ai/threats/cve-2026-109140-the-vulnerability-is-that-krill-encrypts-every-login-session) (high, CVSS 8.4, published 2 Nov 2026)

## Most severe NLnet Labs Krill vulnerabilities

- [CVE-2026-109142: NLnet Labs Krill parent CA authentication bypass](https://junglewise.ai/threats/cve-2026-109142-when-a-ca-s-parent-lives-on-the-same-krill-server-instead-of) (high, CVSS 8.4, published 2 Nov 2026)
- [CVE-2026-109141: Krill authorization bypass in bulk CA import](https://junglewise.ai/threats/cve-2026-109141-the-vulnerability-gives-a-role-that-is-restricted-to-a-list-of) (high, CVSS 8.4, published 2 Nov 2026)
- [CVE-2026-109140: NLnet Labs Krill session token forgery via nonce reuse](https://junglewise.ai/threats/cve-2026-109140-the-vulnerability-is-that-krill-encrypts-every-login-session) (high, CVSS 8.4, published 2 Nov 2026)

## Vulnerabilities per week

3 vulnerabilities in the last four weeks, up from none in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 3 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other NLnet Labs technologies

- [NLnet Labs Unbound](https://junglewise.ai/threats/technologies/unbound): 46 vulnerabilities
- [NLnet Labs Routinator](https://junglewise.ai/threats/technologies/routinator): 10 vulnerabilities
- [NLnet Labs NSD](https://junglewise.ai/threats/technologies/nlnet-labs-nsd): 4 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "NLnet Labs Krill vulnerabilities", https://junglewise.ai/threats/technologies/krill, 10 November 2026.