CVE-2026-24186: NVIDIA FLARE SDK contains a vulnerability in FOBS, where an attacker may cause deserialization of untrusted d

Q: How do I fix CVE-2026-24186?

nvflare: upgrade to 2.7.2. Exact commands for each OS are on this page.

Q: Is CVE-2026-24186 being exploited?

CVE-2026-24186 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-24186 affect?

CVE-2026-24186 affects nvflare. Severity is high (CVSS 8.8). NVIDIA FLARE SDK contains a vulnerability in FOBS, where an attacker may cause deserialization of untrusted data by sending a malicious FOBS- encoded message. A successful exploit of this vulnerability might lead to code execution.

This month

HIGH 8.8UPGRADE

CVE-2026-24186 is a high-severity flaw (CVSS 8.8) affecting nvflare. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

NVIDIA FLARE SDK contains a vulnerability in FOBS, where an attacker may cause deserialization of untrusted data by sending a malicious FOBS- encoded message. A successful exploit of this vulnerability might lead to code execution.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.5% (top 59%)
CISA exploited list	No
Weakness	CWE-502
Published	2026-04-28
Last modified	2026-10-26

Publisher (CNA): NVIDIA Corporation · Vendor: nvidia

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-28 19:36 UTCPublished CVE record published
2026-10-26 20:10 UTCUpdated Record last modified

nvidia nvflare UPGRADE

Affected: < 2.7.2

Fixed in: 2.7.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy nvflare || rpm -q nvflare || nvflare --version

2. UPGRADE to 2.7.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade nvflare

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade nvflare

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-24186?

nvflare: upgrade to 2.7.2. Exact commands for each OS are on this page.

Is CVE-2026-24186 being exploited?

CVE-2026-24186 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-24186 affect?

CVE-2026-24186 affects nvflare. Severity is high (CVSS 8.8). NVIDIA FLARE SDK contains a vulnerability in FOBS, where an attacker may cause deserialization of untrusted data by sending a malicious FOBS- encoded message. A successful exploit of this vulnerability might lead to code execution.

How urgent is CVE-2026-24186?

Priority 41/100. High severity

Software pages

NVIDIA vulnerabilities

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References

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