EUVD-2026-67203
GHSA-9f64-m822-6qq6
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Producer access to the broker (PR:L) is required; CIA impacts are low and limited to header manipulation within the unchanged scope of the message-processing component.
Primary rating from Vendor (vmware).
CVSS VectorVendor: vmware
Lifecycle Timeline
1DescriptionCVE.org
The EmbeddedHeadersJsonMessageMapper defaults to an overly permissive header parsing posture in its constructor. When decodeNativeFormat processes raw byte payloads, it deserializes embedded JSON headers into a plain Map and constructs a GenericMessage with MutableMessageHeaders without sanitizing or filtering untrusted header names by default. 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 Spring Integration 5.5.21 and earlier
AnalysisAI
Unsafe header deserialization in Spring Integration's EmbeddedHeadersJsonMessageMapper exposes applications to header injection across all active release trains (5.5.x through 7.1.0). The decodeNativeFormat method constructs GenericMessage objects with MutableMessageHeaders populated directly from attacker-controlled JSON-deserialized header maps, bypassing sanitization by default in the constructor. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the target application to explicitly configure EmbeddedHeadersJsonMessageMapper and invoke decodeNativeFormat on incoming byte payloads - this is not a default Spring Integration behavior but one specifically enabled for native-format embedded-header transport, typically used with byte-oriented message brokers like Apache Kafka. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 6.3 Medium rating (AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L) accurately reflects a moderate priority: network-reachable, low complexity, but requiring at least low-privileged producer access and producing only partial impacts with no scope change. … 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 | Consult the vendor security advisory at https://spring.io/security/cve-2026-59322 for exact patched release versions across all affected trains (5.5.x, 6.4.x, 6.5.x, 7.0.x, and 7.1.x). … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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