PT-2026-47304 · Unknown · Routinator

CVE-2026-49235 · Published 2026-06-08 · Updated 2026-06-12

Positive Technologies (AI Summary)

CVSS v4.0

8.7

High

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L

Name of the Vulnerable Software and Affected Versions Routinator (affected versions not specified)

Description Routinator crashes when it encounters a file via RRDP (Router Role Distribution Protocol) that uses a specifically crafted Document Type Definition (DTD), which is a set of markup declarations that define a document structure for XML.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

XML Entity Expansion

Resource Exhaustion

Improper Handling of Exceptional Conditions

Weakness Enumeration

CWE-776

CWE-400

CWE-755

Related Identifiers

CVE-2026-49235

GHSA-5QF9-CF9C-HJC6

Affected Products

Routinator

References · 9

• https://osv.dev/vulnerability/CVE-2026-49235 · Vendor Advisory
• https://nlnetlabs.nl/downloads/routinator/CVE-2026-49235.txt · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-49235 · Security Note
• https://osv.dev/vulnerability/GHSA-5qf9-cf9c-hjc6 · Vendor Advisory
• https://github.com/NLnetLabs/routinator · Note
• https://github.com/NLnetLabs/routinator/releases/tag/v0.15.2 · Note
• https://t.me/CVEtracker/56159 · Telegram Post
• https://t.me/cveNotify/166626 · Telegram Post
• https://t.me/cveNotify/167157 · Telegram Post