CVE-2026-72757
mediumRoutinator runs out of open connections on the HTTP server when many connections are opened but never closed, leaving the HTTP server unavailable.
Routinator runs out of open connections on the HTTP server when many connections are opened but never closed, leaving the HTTP server unavailable. This condition can be triggered maliciously by an attacker by opening a large number of connections to the HTTP server. This only affects users that make their HTTP or RTR server available to untrusted networks.
CVSS
5.3
5.3 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Severity source: NVD CVSS v3.1 (sep@nlnetlabs.nl)
Timeline (UTC)
Published: 2026-10-26 18:18
Modified: 2026-10-26 18:35
NVD status: Deferred
Last synced 3 days ago
Verified against the source API 2026-10-27 07:06 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://www.nlnetlabs.nl/downloads/routinator/CVE-2026-72756.txt sep@nlnetlabs.nl
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 07:06 UTC · record ↗
