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CVE-2026-47862— ZipTransformer uses file_name header to build workDirectory path without sanitization

Quick assessment

Affected
Spring Spring Integration
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

能够设置到达 ZipTransformer 的消息中的 头部的攻击者，可以导致生成的 .zip 归档文件被写入到配置的工作目录（workDirectory）之外的任意文件系统路径。 受影响版本： 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 5.4 · Medium

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery
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I. Basic Information for CVE-2026-47862

Vulnerability Information
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Vulnerability Title
ZipTransformer uses file_name header to build workDirectory path without sanitization
Source: CVE Program / CVE List V5
Vulnerability Description
An attacker who can set the file_name header on a message reaching a ZipTransformer with ZipResultType.FILE (the default) can cause the resulting .zip archive to be written to an arbitrary filesystem path outside the configured workDirectory. 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
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Spring Spring Integration 7.1.0 -

II. Public POCs for CVE-2026-47862

# POC Description Source Link Shenlong Link
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default-local-qwen3.6 · 7687 chars
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III. Intelligence Information for CVE-2026-47862

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Vendor Advisories for CVE-2026-47862 (1)

Same Patch Batch · Spring · 2026-08-26 · 20 CVEs total

CVE-2026-47852 7.5 HIGH Predictable cache directory location allows local ONNX model substitution in Spring AI
CVE-2026-47851 7.5 HIGH Unbounded recursion over attacker-controlled PDF outline tree in Spring AI PDF Document Re
CVE-2026-47841 7.4 HIGH WebAuthn User Verification Bypass via Session Serialization
CVE-2026-47836 7.2 HIGH Spring Cloud Config Server Susceptible To TOCTOU Attack When Using SVN
CVE-2026-47837 6.8 MEDIUM Spring Cloud Config Server Monitor Endpoint Does Not Validate Webhook Requests
CVE-2026-47860 6.5 MEDIUM Unbounded decompression of attacker-supplied compressed message bodies
CVE-2026-47842 6.5 MEDIUM Deterministic AES/CBC Encryption in Spring Security AesBytesEncryptor Allows Ciphertext Co
CVE-2026-47856 6.3 MEDIUM JsonToObjectTransformer resolves the json__TypeId__ message header to an arbitrary class w
CVE-2026-47861 6.3 MEDIUM UDP adapter sends ack to attacker-supplied host:port parsed from packet body, even when ac
CVE-2026-47848 6.1 MEDIUM Reactor Netty WebSocket Client Leaks Credentials On Redirect
CVE-2026-47863 5.9 MEDIUM Reactor Core bufferTimeout fair-backpressure pipeline permanently hangs when upstream deli
CVE-2026-47857 5.9 MEDIUM Reactor Core windowTimeout fair-backpressure stream hang due to 20-bit index wrap-around
CVE-2026-47859 5.4 MEDIUM Unbounded memory allocation in RFC6587SyslogDeserializer (octet-counted framing) — remote
CVE-2026-47874 5.3 MEDIUM Reactor Netty HTTP Server Denial of Service With Pipelined Requests
CVE-2026-47845 5.3 MEDIUM Reactor Netty HTTP Server may incorrectly evaluate proxy addresses
CVE-2026-47844 5.3 MEDIUM Reactor Netty HTTP Server Leaks Exception Details
CVE-2026-47834 4.8 MEDIUM Spring Data JPA Sort expression validation bypass
CVE-2026-47850 4.3 MEDIUM Spring Data REST allows mutation of the version property of immutable aggregates via PUT
CVE-2026-47843 3.7 LOW Reactor Netty may incorrectly route traffic due to DNS resolver reuse

IV. Related Vulnerabilities

Same product: Spring Integration
Same vendor: Spring

V. Comments for CVE-2026-47862

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