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

Routine

MEDIUM 6.5UPGRADE

CVE-2026-59318 is a medium-severity flaw (CVSS 6.5) affecting spring ai. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 83%)
CISA exploited list	No
Weakness	CWE-863
Published	2026-08-21
Last modified	2026-10-15

Publisher (CNA): VMware · Vendor: vmware

Last updated 2026-10-15 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-08-21 12:16 UTCPublished CVE record published
2026-10-15 19:10 UTCUpdated Record last modified

vmware spring ai UPGRADE

Affected: >= 1.0.0 and < 1.0.10 · >= 1.1.0 and < 1.1.9 · >= 2.0.0 and < 2.0.1

Fixed in: 1.0.10, 1.1.9, 2.0.1

Safe to downgrade to: a release before 1.0.0

1. Check installed version

apt-cache policy spring-ai || rpm -q spring-ai || spring-ai --version

2. UPGRADE to 1.0.10 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade spring-ai

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade spring-ai

Note

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

3. If no update is available yet, DOWNGRADE to a release before 1.0.0 (Debian / Ubuntu)

apt-cache madison spring-ai sudo apt install spring-ai=<VERSION_BEFORE_1.0.0> sudo apt-mark hold spring-ai

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list spring-ai sudo dnf downgrade spring-ai-<VERSION_BEFORE_1.0.0> sudo dnf versionlock add spring-ai

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2026-59318?

spring ai: upgrade to 1.0.10, 1.1.9, 2.0.1. Exact commands for each OS are on this page.

Is CVE-2026-59318 being exploited?

CVE-2026-59318 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-2026-59318 affect?

CVE-2026-59318 affects spring ai. Severity is medium (CVSS 6.5). 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 re

How urgent is CVE-2026-59318?

Priority 27/100. No elevated risk signals yet.

Software pages

VMware vulnerabilities

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References

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