Is CVE-2026-59274 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-59274?

CVE-2026-59274 has a CVSS v3 severity of MEDIUM (6.5).

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CVE-2026-59274

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