# NLnet Labs Routinator vulnerabilities

Source: https://junglewise.ai/threats/technologies/routinator  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/routinator.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 10 vulnerabilities in NLnet Labs Routinator: 0 in the last 7 days and 6 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-72758, was published on 26 October 2026. 6 vulnerabilities in the last four weeks, up from none in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 6
- Last 90 days: 6
- All time: 10 (0 critical, 0 exploited in the wild)

## About NLnet Labs Routinator

Routinator is an RPKI relying party software written in Rust that fetches and verifies RPKI data for BGP route filtering.

## Latest NLnet Labs Routinator vulnerabilities

- [CVE-2026-72758: Routinator AS range parsing memory exhaustion](https://junglewise.ai/threats/cve-2026-72758-when-parsing-an-as-range-in-routinator-if-the-maximum-value-of) (high, CVSS 7.5, published 26 Oct 2026)
- [CVE-2026-72757: Routinator HTTP server denial of service via resource exhaustion](https://junglewise.ai/threats/cve-2026-72757-routinator-runs-out-of-open-connections-on-the-http-server-when) (medium, CVSS 5.3, published 26 Oct 2026)
- [CVE-2026-72756: Routinator denial of service from malformed rsync URIs](https://junglewise.ai/threats/cve-2026-72756-routinator-exits-when-an-rsync-uri-for-a-file-obtained-over-rrdp) (high, CVSS 7.5, published 26 Oct 2026)
- [CVE-2026-72754: Routinator CRL parsing denial of service](https://junglewise.ai/threats/cve-2026-72754-when-routinator-encounters-a-crl-with-many-entries-it-may-hang-or) (high, CVSS 7.5, published 26 Oct 2026)
- [CVE-2026-72753: Routinator improper RRDP delta entry validation](https://junglewise.ai/threats/cve-2026-72753-when-routinator-encounters-an-rrdp-notification-file-with-gaps-in) (high, CVSS 8.2, published 26 Oct 2026)
- [CVE-2026-72752: NLnet Labs Routinator denial of service via repeated JSON requests](https://junglewise.ai/threats/cve-2026-72752-routinator-runs-out-of-memory-when-the-json-output-is-requested) (medium, CVSS 6.5, published 26 Oct 2026)
- [CVE-2026-49235: NLnet Labs Routinator denial of service via crafted RRDP DTD](https://junglewise.ai/threats/cve-2026-49235-nlnet-labs-routinator-denial-of-service-via-crafted-rrdp-dtd) (high, CVSS 4, published 8 Jun 2026)
- [CVE-2026-49234: NLnet Labs Routinator denial of service via malformed ASN query parameter](https://junglewise.ai/threats/cve-2026-49234-nlnet-labs-routinator-denial-of-service-via-malformed-asn-query) (high, CVSS 7.5, published 8 Jun 2026)
- [CVE-2026-49233: NLnet Labs Routinator path traversal in rsync URI module component](https://junglewise.ai/threats/cve-2026-49233-nlnet-labs-routinator-path-traversal-in-rsync-uri-module) (high, CVSS 4, published 8 Jun 2026)
- [CVE-2026-49232: NLnet Labs Routinator denial of service via connection error handling](https://junglewise.ai/threats/cve-2026-49232-nlnet-labs-routinator-denial-of-service-via-connection-error) (info, CVSS 8.7, published 8 Jun 2026)

## Most severe NLnet Labs Routinator vulnerabilities

- [CVE-2026-72753: Routinator improper RRDP delta entry validation](https://junglewise.ai/threats/cve-2026-72753-when-routinator-encounters-an-rrdp-notification-file-with-gaps-in) (high, CVSS 8.2, published 26 Oct 2026)
- [CVE-2026-49234: NLnet Labs Routinator denial of service via malformed ASN query parameter](https://junglewise.ai/threats/cve-2026-49234-nlnet-labs-routinator-denial-of-service-via-malformed-asn-query) (high, CVSS 7.5, published 8 Jun 2026)
- [CVE-2026-72758: Routinator AS range parsing memory exhaustion](https://junglewise.ai/threats/cve-2026-72758-when-parsing-an-as-range-in-routinator-if-the-maximum-value-of) (high, CVSS 7.5, published 26 Oct 2026)
- [CVE-2026-72756: Routinator denial of service from malformed rsync URIs](https://junglewise.ai/threats/cve-2026-72756-routinator-exits-when-an-rsync-uri-for-a-file-obtained-over-rrdp) (high, CVSS 7.5, published 26 Oct 2026)
- [CVE-2026-72754: Routinator CRL parsing denial of service](https://junglewise.ai/threats/cve-2026-72754-when-routinator-encounters-a-crl-with-many-entries-it-may-hang-or) (high, CVSS 7.5, published 26 Oct 2026)
- [CVE-2026-49233: NLnet Labs Routinator path traversal in rsync URI module component](https://junglewise.ai/threats/cve-2026-49233-nlnet-labs-routinator-path-traversal-in-rsync-uri-module) (high, CVSS 4, published 8 Jun 2026)
- [CVE-2026-49235: NLnet Labs Routinator denial of service via crafted RRDP DTD](https://junglewise.ai/threats/cve-2026-49235-nlnet-labs-routinator-denial-of-service-via-crafted-rrdp-dtd) (high, CVSS 4, published 8 Jun 2026)
- [CVE-2026-72752: NLnet Labs Routinator denial of service via repeated JSON requests](https://junglewise.ai/threats/cve-2026-72752-routinator-runs-out-of-memory-when-the-json-output-is-requested) (medium, CVSS 6.5, published 26 Oct 2026)
- [CVE-2026-72757: Routinator HTTP server denial of service via resource exhaustion](https://junglewise.ai/threats/cve-2026-72757-routinator-runs-out-of-open-connections-on-the-http-server-when) (medium, CVSS 5.3, published 26 Oct 2026)
- [CVE-2026-49232: NLnet Labs Routinator denial of service via connection error handling](https://junglewise.ai/threats/cve-2026-49232-nlnet-labs-routinator-denial-of-service-via-connection-error) (info, CVSS 8.7, published 8 Jun 2026)

## Vulnerabilities per week

6 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 | 6 | 0 | 0 |
| 2 Nov 2026 | 0 | 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 NSD](https://junglewise.ai/threats/technologies/nlnet-labs-nsd): 4 vulnerabilities
- [NLnet Labs Krill](https://junglewise.ai/threats/technologies/krill): 3 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 Routinator vulnerabilities", https://junglewise.ai/threats/technologies/routinator, 9 November 2026.
