CVE-2026-41721: Spring Data Commons Denial of Service via Data Binding

Severity: medium (CVSS 5.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-10 · updated 2026-07-23
Weakness: CWE-400

Description

Spring Data Commons contains a vulnerability that can lead to a Denial of Service (DoS) condition if Spring Data Web Support is enabled in conjunction with a Controller method using @ProjectedPayload, when an attacker sends a specially crafted HTTP request that causes the application to allocate lots of memory. Affected versions: Spring Data Commons 4.0.0 through 4.0.5; 3.5.0 through 3.5.11; 3.4.0 through 3.4.14; 3.3.0 through 3.3.16; 3.2.0 through 3.2.15; 3.1.0 through 3.1.14; 3.0.0 through 3.0.15; 2.7.0 through 2.7.19.

Affected products

Spring Data Commons: from 2.7.0 before 2.7.20; from 3.0.0 through 3.0.15; from 3.1.0 through 3.1.14; from 3.2.0 through 3.2.15; from 3.3.0 before 3.3.17; from 3.4.0 before 3.4.15 — fixed in 2.7.20, 3.3.17, 3.4.15, 3.5.11.1, 4.0.5.1

How to fix

Upgrade to a fixed version: Spring Data Commons 2.7.20, 3.3.17, 3.4.15, 3.5.11.1. Check the vendor advisory for mitigations.

References

https://spring.io/security/cve-2026-41721

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