CVE-2026-72753

HIGH 8.2

Routinator incorrectly handles delta updates

CVSS Score

8.2

EPSS Score

0.0%

EPSS Percentile

0th

When Routinator encounters an RRDP notification file with gaps in the delta entries, it is still accepted and parsed, potentially leading to missing data. If it encounters too many delta entries it may run out of memory.

CWE	CWE-755
Vendor	nlnet labs
Product	routinator
Published	Oct 26, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

NLnet Labs / Routinator

All versions affected

References

NVD ↗ CVE.org ↗ EPSS Data ↗

nlnetlabs.nl: https://www.nlnetlabs.nl/downloads/routinator/CVE-2026-72753.txt

Credits

Qifan Zhang, Palo Alto Networks Xin Wang and Jiajia Liu, Northwestern Polytechnical University