How severe is CVE-2026-40979?

CVE-2026-40979 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability none.

Is CVE-2026-40979 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-40979?

CVE-2026-40979 affects Vmware Spring Ai. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-40979?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-40979 have an EU (EUVD) identifier?

Yes. CVE-2026-40979 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26012.

When was CVE-2026-40979 published?

CVE-2026-40979 was published on 2026-04-28 and last updated on 2026-06-17.

CVE-2026-40979

CVE-2026-40979 is a medium-severity vulnerability in Vmware Spring Ai with a CVSS 3.x base score of 6.1. 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-377.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-26012
Weakness: CWE-377
Affected product: Vmware Spring Ai
Published: 2026-04-28
Last modified: 2026-06-17

Description

In Spring AI, having access to a shared environment can expose the ONNX model used by the application. Affected versions: Spring AI: 1.0.0 - 1.0.5 (fixed in 1.0.6), 1.1.0 - 1.1.4 (fixed in 1.1.5)

Frequently asked questions

What is CVE-2026-40979?: In Spring AI, having access to a shared environment can expose the ONNX model used by the application. Affected versions: Spring AI: 1.0.0 - 1.0.5 (fixed in 1.0.6), 1.1.0 - 1.1.4 (fixed in 1.1.5)
How severe is CVE-2026-40979?: CVE-2026-40979 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability none.
Is CVE-2026-40979 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-40979?: CVE-2026-40979 affects Vmware Spring Ai. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-40979?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-40979 have an EU (EUVD) identifier?: Yes. CVE-2026-40979 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26012.
When was CVE-2026-40979 published?: CVE-2026-40979 was published on 2026-04-28 and last updated on 2026-06-17.

References

https://spring.io/security/cve-2026-40979

Affected products (1)

cpe:2.3:a:vmware:spring_ai:*:*:*:*:*:*:*:*

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