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HIGH severity

CVE-2026-65121 — Infra Controller

HIGH

CVE-2026-65121 is a high-severity (CVSS 8.2) Improper Authentication vulnerability in nvidia infra controller. A fix is available — see the affected versions and patch details below.

NVIDIA Infrastructure Controller for Linux contains a vulnerability where an attacker could cause an improper authentication issue. A successful exploit of this vulnerability might…

Published
Sep 22, 2026
Updated
Sep 29, 2026
Affected
1 product
Patched
See advisory
Exploits
None indexed
Exploitation data as of Sep 29, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for CVE-2026-65121.

EPSS Exploitation Probability

via FIRST.org ↗
0.3%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs22th percentile — riskier than 22% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

CVE-2026-65121 by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 380,066 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Counts from FIRST.org, log-scaled.

Description

NVIDIA Infrastructure Controller for Linux contains a vulnerability where an attacker could cause an improper authentication issue. A successful exploit of this vulnerability might lead to escalation of privileges, information disclosure, and data tampering.

Affected Products

1 product · 1 configurations
Application
infra controllernvidia
< 2.0.0
range

Detection & mitigation playbook

Vendor / appliance

  1. Detect

    Inventory every nvidia infra controller deployment and check each version against the affected-products list above.

  2. Fix

    Apply the nvidia infra controller security patch or hotfix for CVE-2026-65121 on the affected version, following the vendor advisory for your exact build.

  3. Workarounds

    Put an independent control in front of the weakness: restrict the affected endpoint or interface to trusted networks, require an additional authentication factor or proxy-level check, and invalidate existing sessions and credentials in case the flaw has already been used. Alongside that, restrict the management interface to trusted networks and apply the vendor's recommended configuration mitigations.

Frequently Asked Questions

NVIDIA Infrastructure Controller for Linux contains a vulnerability where an attacker could cause an improper authentication issue. A successful exploit of this vulnerability might lead to escalation of privileges, information disclosure, and data tampering.
O3 Security · Runtime Protection

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CVE-2026-65121: Infra Controller (High 8.2) | O3 Security