CVE-2026-41001: Predictable Temp Directory in Artemis Auto-configuration

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-11 · updated 2026-09-04
Weakness: CWE-377

Description

Spring Boot's ArtemisEmbeddedConfigurationFactory uses a fixed, static path for the embedded Artemis message broker's data directory when no explicit path is configured. A local attacker on the same host can pre-create this predictable directory or place a symlink before the application starts. Affected versions: Spring Boot 4.0.0 through 4.0.6; 3.5.0 through 3.5.14; 3.4.0 through 3.4.16; 3.3.0 through 3.3.19; 2.7.0 through 2.7.33.

Affected products

Spring Boot: before 2.7.34; from 3.3.0 before 3.3.20; from 3.4.0 before 3.4.17; from 3.5.0 before 3.5.14.1; from 4.0.0 before 4.0.6.1 — fixed in 2.7.34, 3.3.20, 3.4.17, 3.5.14.1, 4.0.6.1
Spring Boot: from 4.0.0 before 4.0.6.1; from 3.5.0 before 3.5.14.1; from 3.4.0 before 3.4.17; from 3.3.0 before 3.3.20; from 2.7.0 before 2.7.34 — fixed in 4.0.6.1, 3.5.14.1, 3.4.17, 3.3.20, 2.7.34

How to fix

Upgrade to a fixed version: Spring Boot 2.7.34, 3.3.20, 3.4.17, 3.5.14.1; Spring Boot 4.0.6.1, 3.5.14.1, 3.4.17, 3.3.20. Check the vendor advisory for mitigations.

References

https://spring.io/security/cve-2026-41001

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