---
id: CVE-2026-72756
title: Routinator exits on malformed rsync URIs
summary: >-
  Routinator exits when an rsync URI for a file obtained over RRDP contains a
  path that cannot be stored on disk, such as too long file names, and folder
  names that overlap with existing file names.
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cvssSource: cna
cwe:
  - CWE-755
vendor: NLnet Labs
product: Routinator
affected:
  - Routinator (all versions)
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-10-26T17:46:44.728663Z'
published: '2026-10-26'
updated: '2026-10-26'
sourceUpdated: '2026-10-26T17:57:33.645Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-72756'
references:
  - url: 'https://www.nlnetlabs.nl/downloads/routinator/CVE-2026-72756.txt'
tags:
  - cve.org
ingestedAt: '2026-10-26T17:33:33.058Z'
epss: 0.00397
epssPercentile: 0.33781
---

## Overview

Routinator exits when an rsync URI for a file obtained over RRDP contains a path that cannot be stored on disk, such as too long file names, and folder names that overlap with existing file names.

## Affected

- `Routinator (all versions)`

## Remediation

This issue is fixed in 0.15.3 and all later versions.