What is CVE-2026-26076?

CVE-2026-26076 is a high-severity vulnerability in Pendulum-project Ntpd-rs, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-02-12.

How severe is CVE-2026-26076?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Pendulum-project Ntpd-rs

CVE-2026-26076

ntpd-rs is a full-featured implementation of the Network Time Protocol. Prior to 1.7.1, an attacker can remotely induce moderate increases (2-4 times above normal) in cpu usage. When having NTS enabled on an ntpd-rs server, an attacker can…

EPSS: 0.003 (27.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Pendulum-project Ntpd-rs — versions < 1.7.1
Tweedegolf Ntpd-rs

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)
security-advisories@github.com (Product, x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2026-26076?: CVE-2026-26076 is a high-severity vulnerability in Pendulum-project Ntpd-rs, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-02-12.
How severe is CVE-2026-26076?: High severity. CVSS v3 base score is 7.5 out of 10.