CVE-2026-59274: medium-severity vulnerability in Spring Integration
Unbounded decompression in UnZipTransformer enables zip-bomb DoS
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.5epss 0.4%
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
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products
Spring · Spring IntegrationRelated CVEs — Spring Integration
In the same product, most dangerous first.
CVE-2026-47864MEDIUMUnsafe Java deserialization in SerializingHttpMessageConverter — remote code executionEPSS 5.9%CVE-2019-3772—Spring Integration XML External Entity Injection (XXE)EPSS 3.0%CVE-2026-59307HIGHDeserialization allow-list silently bypassed: setBeanClassLoader replaces deserializer but mapper keeps stale referenceEPSS 0.4%CVE-2026-59311MEDIUMFixed predictable /tmp/ziptransformer work directory enables symlink pre-creationEPSS 0.4%CVE-2026-47861MEDIUMUDP adapter sends ack to attacker-supplied host:port parsed from packet body, even when acknowledge=falseEPSS 0.3%CVE-2026-47856MEDIUMJsonToObjectTransformer resolves the json__TypeId__ message header to an arbitrary class without an allow-listEPSS 0.3%