How severe is CVE-2026-59318?

CVE-2026-59318 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2026-59318 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-59318?

CVE-2026-59318 affects Vmware Spring Ai. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-59318?

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

When was CVE-2026-59318 published?

CVE-2026-59318 was published on 2026-08-21 and last updated on 2026-09-16.

CVE-2026-59318

CVE-2026-59318 is a medium-severity vulnerability in Vmware Spring Ai with a CVSS 3.x base score of 6.5. 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-863.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Vmware Spring Ai
Published: 2026-08-21
Last modified: 2026-09-16

Description

In Spring AI's tool calling support, the per-request tool list is advertised to the model as a boundary but is not fully enforced when a tool call is dispatched. Under certain conditions, a tool that was not made available to the current request could be invoked, potentially leading to privilege escalation. Affected versions: Spring AI: 2.0.0 Spring AI: 1.1.0 through 1.1.8 Spring AI: 1.0.0 through 1.0.9

Frequently asked questions

What is CVE-2026-59318?: In Spring AI's tool calling support, the per-request tool list is advertised to the model as a boundary but is not fully enforced when a tool call is dispatched. Under certain conditions, a tool that was not made available to the current request could be invoked, potentially leading to privilege escalation. Affected versions: Spring AI: 2.0.0 Spring AI: 1.1.0 through 1.1.8 Spring AI: 1.0.0 through 1.0.9
How severe is CVE-2026-59318?: CVE-2026-59318 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2026-59318 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-59318?: CVE-2026-59318 affects Vmware Spring Ai. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-59318?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-59318 published?: CVE-2026-59318 was published on 2026-08-21 and last updated on 2026-09-16.

References

https://spring.io/security/cve-2026-59318

Affected products (1)

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

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