Resource Exhaustion Vulnerability in Routinator by NLnet Labs
CVE-2026-72754

7.5HIGH

Key Information:

Vendor

Nlnet Labs

Status
Routinator
Vendor
CVE Published:
26 October 2026

What is CVE-2026-72754?

Routinator experiences a resource exhaustion vulnerability when processing Certificate Revocation Lists (CRLs) with numerous entries, leading to potential hanging or memory depletion. Additionally, if Routinator receives a CRL file encoded incorrectly, it may terminate unexpectedly. This vulnerability poses a risk to systems relying on Routinator for trusted certificate management, necessitating prompt attention to software updates and fixes.

Affected Version(s)

Routinator 0.15.3

References

https://www.nlnetlabs.nl/downloads/routinator/CVE-2026-72...
vendor-advisory

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Qifan Zhang, Palo Alto Networks
.