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CVE-2026-86512— java-json-tools json-patch Copy Move Operations CopyOperation.java MoveOperation.apply access control

Quick assessment

Affected
java-json-tools json-patch
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 的 （版本 1.13 及更早版本）中，发现了一个漏洞。该漏洞影响 文件中 和 函数所在的“Copy Move Operations”组件。该漏洞由不当的访问控制机制导致，且可被远程利用。目前该漏洞的利用方式已公开披露，且已被实际利用。该项目方已早先通过问题报告获知此问题，但尚未作出回应。

CVSS 6.3 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-86512

Vulnerability Information
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Vulnerability Title
java-json-tools json-patch Copy Move Operations CopyOperation.java MoveOperation.apply access control
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified in java-json-tools json-patch up to 1.13. This affects the function CopyOperation.apply/MoveOperation.apply of the file src/main/java/com/github/fge/jsonpatch/CopyOperation.java of the component Copy Move Operations. The manipulation leads to improper access controls. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.
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:L
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
java-json-tools json-patch 1.0 cpe:2.3:a:java-json-tools:json-patch:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-86512

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III. Intelligence Information for CVE-2026-86512

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Patches & Fixes for CVE-2026-86512 (2)

Other References for CVE-2026-86512 (1)

Same Patch Batch · java-json-tools · 2026-09-08 · 3 CVEs total

CVE-2026-86511 5.3 MEDIUM java-json-tools jackson-coreutils JacksonUtils.java BigDecimal.toPlainString resource cons
CVE-2026-86513 5.3 MEDIUM java-json-tools jackson-coreutils JSON Pointer parser TreePointer.java TreePointer.tokensF

IV. Related Vulnerabilities

Same product: json-patch
Same vendor: java-json-tools
Same weakness: CWE-284

V. Comments for CVE-2026-86512

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