SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-49235

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

HIGH 8.7EPSS 0.37%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.37%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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

CVSS 4.0
8.7 HIGHCVSS:4.0/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/M
EPSS
0.37% probability · 30th percentile
CISA KEV
Not listed
Weakness
CWE-755
Affected
nlnetlabs/routinator
Source
sep@nlnetlabs.nl

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.