How severe is CVE-2026-24178?

CVE-2026-24178 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-24178 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-24178?

CVE-2026-24178 affects Nvidia Nvflare. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-24178?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-24178 have an EU (EUVD) identifier?

Yes. CVE-2026-24178 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26075.

When was CVE-2026-24178 published?

CVE-2026-24178 was published on 2026-04-28 and last updated on 2026-06-17.

CVE-2026-24178

CVE-2026-24178 is a critical-severity vulnerability in Nvidia Nvflare with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-639.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-26075
Weakness: CWE-639
Affected product: Nvidia Nvflare
Published: 2026-04-28
Last modified: 2026-06-17

Description

NVIDIA NVFlare Dashboard contains a vulnerability in the user management and authentication system where an unauthenticated attacker may cause authorization bypass through user-controlled key. A successful exploit of this vulnerability may lead to privilege escalation, data tampering, information disclosure, code execution, and denial of service.

Frequently asked questions

What is CVE-2026-24178?: NVIDIA NVFlare Dashboard contains a vulnerability in the user management and authentication system where an unauthenticated attacker may cause authorization bypass through user-controlled key. A successful exploit of this vulnerability may lead to privilege escalation, data tampering, information disclosure, code execution, and denial of service.
How severe is CVE-2026-24178?: CVE-2026-24178 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-24178 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-24178?: CVE-2026-24178 affects Nvidia Nvflare. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-24178?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-24178 have an EU (EUVD) identifier?: Yes. CVE-2026-24178 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26075.
When was CVE-2026-24178 published?: CVE-2026-24178 was published on 2026-04-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:nvidia:nvflare:*:*:*:*:*:*:*:*

More vulnerabilities in Nvidia Nvflare

CVE-2022-34668 — Critical (CVSS 9.8): NVFLARE, versions prior to 2.1.4, contains a vulnerability that deserialization of Untrusted Data due to Pickle usage…
CVE-2022-31605 — Critical (CVSS 9.8): NVFLARE, versions prior to 2.1.2, contains a vulnerability in its utils module, where YAML files are loaded via…
CVE-2022-31604 — Critical (CVSS 9.8): NVFLARE, versions prior to 2.1.2, contains a vulnerability in its PKI implementation module, where The CA credentials…
CVE-2026-24186 — High (CVSS 8.8): NVIDIA FLARE SDK contains a vulnerability in FOBS, where an attacker may cause deserialization of untrusted data by…
CVE-2026-24204 — Medium (CVSS 6.5): NVIDIA Flare SDK contains a vulnerability where an Attacker may cause an Improper Input Validation by path traversing.…

All CVEs affecting Nvidia Nvflare →

Other CWE-639 (Authorization Bypass Through User-Controlled Key (IDOR)) vulnerabilities

CVE-2025-40805 — Critical (CVSS 10.0): Affected devices do not properly enforce user authentication on specific API endpoints. This could facilitate an…
CVE-2024-45032 — Critical (CVSS 10.0): A vulnerability has been identified in Industrial Edge Management Pro (All versions < V1.9.5), Industrial Edge…
CVE-2026-34037 — Critical (CVSS 9.9): Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to…
CVE-2026-52782 — Critical (CVSS 9.9): OpenProject is open-source, web-based project management software. Prior to 17.3.3 and 17.4.1, there is an IDOR through…
CVE-2026-45552 — Critical (CVSS 9.9): Roxy-WI is a web interface for managing Haproxy, Nginx, Apache and Keepalived servers. In versions 8.2.6.4 and prior,…
CVE-2026-29200 — Critical (CVSS 9.9): A critical IDOR vulnerability has been discovered in Comet Backup affecting all versions from 20.11.0 to 26.1.1 and…

Browse all CWE-639 (Authorization Bypass Through User-Controlled Key (IDOR)) vulnerabilities →