CVE-2026-49235

HIGH

Published Jun 8, 2026 Modified Jun 12, 2026 CWE-755

Description

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

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploit Prediction

0.0036

Probability of exploitation

0.28%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-755 CWE-755

Affected Products

Vendor	Product	Versions
nlnetlabs	routinator	< 0.15.2

References

Advisories & Patches

https://www.nlnetlabs.nl/downloads/routinator/CVE-2026-49235.txt

Frequently Asked Questions

What is CVE-2026-49235? +

When Routinator encounters a file via RRDP using a specifically crafted Document Type Definition, Routinator crashes. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-49235? +

CVE-2026-49235 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0036, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-49235? +

CVE-2026-49235 affects products from nlnetlabs, specifically: routinator. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-49235? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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