EUVD-2026-66848
GHSA-jmqv-c2qw-xw7r
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Network-reachable endpoint, no technical complexity barrier; PR:L required to submit payloads to integration channel; impact is purely availability (heap exhaustion), with no confidentiality or integrity effect.
Primary rating from Vendor (vmware).
CVSS VectorVendor: vmware
Lifecycle Timeline
1DescriptionCVE.org
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
AnalysisAI
Spring Integration's UnZipTransformer component fails to impose any limit on decompressed entry size or entry count, enabling a low-privileged remote attacker to trigger JVM heap exhaustion via a crafted zip bomb archive. Affected versions span 6.4.0-6.4.12, 6.5.0-6.5.10, and 7.0.0-7.1.0 across the widely-used Spring enterprise Java framework. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires two specific conditions to be met simultaneously. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 score of 6.5 Medium (AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H) is an accurate representation of the risk envelope: network-exploitable and low-complexity, but gated by a low-privilege access requirement (PR:L) that substantially limits the realistic attacker population. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade Spring Integration to a patched release per the vendor advisory at https://spring.io/security/cve-2026-59274. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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