Quick answers
- Is CVE-2026-72752 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-72752 being exploited in the wild.
- How severe is CVE-2026-72752?
- Medium severity, with a CVSS score of 6.5, published 26 October 2026.
- Which products and versions are affected?
- NLnet Labs Routinator up to and including 0.15.2.
- Is there a fix for CVE-2026-72752?
- Yes: fixed in Routinator 0.15.3 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-72752 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-2026-72752?
- Check whether you run NLnet Labs Routinator at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
- Fixed in: Routinator 0.15.3 or later
Technical details
Routinator exhibits two denial-of-service conditions: memory exhaustion when JSON output is requested many times concurrently, and stack overflow when processing payload items with excessive metadata. Both can be triggered remotely via the HTTP server if exposed to untrusted networks. The vulnerabilities do not require authentication and result in application crash and service unavailability.
Affected products
- NLnet Labs Routinator up to and including 0.15.2
Timeline
- 2026-10-26: disclosed