CVE-2026-59274: spring integration — Fix

Description

The UnZipTransformer does not limit decompressed entry size or entry count when processing archives. Consequently, an attacker can send a zip archive that can exhaust JVM heap memory, causing a denial-of-service outage. Spring Integration 7.1.0 Spring Integration 7.0.0 - 7.0.5 Spring Integration 6.5.0 - 6.5.10 Spring Integration 6.4.0 - 6.4.12

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CVSS v3.1 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploit Prediction

0.0024

Probability of exploitation

0.15%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-409 CWE-409

Affected Products

Vendor	Product	Versions
vmware	spring_integration	6.4.0 — 6.4.13
vmware	spring_integration	6.5.0 — 6.5.11
vmware	spring_integration	7.0.0 — 7.0.5.1
vmware	spring_integration	7.1.0 — 7.1.0.1

References

Advisories & Patches

https://spring.io/security/cve-2026-59274

Frequently Asked Questions

What is CVE-2026-59274? +

The UnZipTransformer does not limit decompressed entry size or entry count when processing archives. Consequently, an attacker can send a zip archive that can exhaust JVM heap memory, causing a denial-of-service outage. Spring Integration 7.1.0 Spring Integration 7.0.0 - 7.0.5 Spring Integration 6.5.0 - 6.5.10 Spring Integration 6.4.0 - 6.4.12 It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2026-59274? +

CVE-2026-59274 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0024, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-59274? +

CVE-2026-59274 affects products from vmware, specifically: spring_integration. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-59274? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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