8.7
HIGH CVSS 4.0
CVE-2026-49235
Routinator crashes on specifically crafted RRDP XML files
Description

When Routinator encounters a file via RRDP using a specifically crafted Document Type Definition, Routinator crashes.

INFO

Published Date :

June 8, 2026, 3:16 p.m.

Last Modified :

June 8, 2026, 3:16 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-49235 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Nlnetlabs routinator
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 4.0 HIGH 206fc3a0-e175-490b-9eaa-a5738056c9f6
CVSS 4.0 HIGH [email protected]
Solution
Update Routinator to the latest version to fix XML external entity vulnerability.
  • Update Routinator to the latest version.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-49235.

URL Resource
https://www.nlnetlabs.nl/downloads/routinator/CVE-2026-49235.txt
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-49235 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-49235 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-49235 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-49235 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Jun. 08, 2026

    Action Type Old Value New Value
    Added Description When Routinator encounters a file via RRDP using a specifically crafted Document Type Definition, Routinator crashes.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CWE CWE-755
    Added Reference https://www.nlnetlabs.nl/downloads/routinator/CVE-2026-49235.txt
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.