What is CVE-2026-65104?

CVE-2026-65104 is a high-severity vulnerability in NVIDIA Megatron-Lm, classified under Use of Weak Hash. CVSS score: 7.1/10. Published 2026-10-13.

How severe is CVE-2026-65104?

High severity. CVSS v3 base score is 7.1 out of 10.

Vulnerability in NVIDIA Megatron-Lm

CVE-2026-65104

NVIDIA Megatron-LM for all platforms contains a vulnerability in inference, where an attacker could cause hash collisions in the cache used for inference requests. A successful exploit of this vulnerability might lead to data tampering and partial information disclosure.

Published 2026-10-13 · last modified 2026-10-13.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

NVIDIA Megatron-Lm — versions 0 to 17

Weakness classification (CWE)

CWE-328 — Use of Weak Hash

References

Frequently asked questions

What is CVE-2026-65104?: CVE-2026-65104 is a high-severity vulnerability in NVIDIA Megatron-Lm, classified under Use of Weak Hash. CVSS score: 7.1/10. Published 2026-10-13.
How severe is CVE-2026-65104?: High severity. CVSS v3 base score is 7.1 out of 10.