CVE-2026-40989

mediumCVSS 5.7covered by 1 sourcefirst seen 2026-06-01

Under infinite recursion in the routing layer, request-handling can cause OOM error. Affected Spring Products and Versions: Spring Cloud Function 3.2.x: versions prior to 3.2.16 Spring Cloud Function 4.1.x: versions prior to 4.1.10 Spring Cloud Function 4.2.x: versions prior to 4.2.6 Spring Cloud Function 4.3.x: versions prior to 4.3.3 Spring Cloud Function 5.0.x: versions prior to 5.0.2 Older, unsupported versions are also affected.

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Exploitation outlook

Low exploitation risk0.21% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 11% of all EPSS-scored CVEs.

Advisory coverage (1)

mediumGHSA-x9c7-5h6g-hq8q: Spring Cloud Function Context has Uncontrolled Recursionghsa · 2026-06-01

External references

NVD record for CVE-2026-40989

CVE.org record

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