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CVE-2026-86513— java-json-tools jackson-coreutils JSON Pointer parser TreePointer.java TreePointer.tokensFromInput allocation of resources

Quick assessment

Affected
java-json-tools jackson-coreutils
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 java-json-tools jackson-coreutils 2.0 中发现了一个安全漏洞。该漏洞影响了 JSON Pointer 解析器组件中 文件中的 函数。此漏洞由资源分配问题引起，可被远程利用。该漏洞的利用方式（PoC/Exploit）已公开，可能被用于发起攻击。项目方较早地通过问题报告得知了该问题，但截至目前尚未做出回应。

CVSS 5.3 · Medium

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2026-86513

Vulnerability Information
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Vulnerability Title
java-json-tools jackson-coreutils JSON Pointer parser TreePointer.java TreePointer.tokensFromInput allocation of resources
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw has been discovered in java-json-tools jackson-coreutils 2.0. This vulnerability affects the function TreePointer.tokensFromInput of the file src/main/java/com/github/fge/jackson/jsonpointer/TreePointer.java of the component JSON Pointer parser. The manipulation results in allocation of resources. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks. 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:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
java-json-tools jackson-coreutils 2.0 cpe:2.3:a:java-json-tools:jackson-coreutils:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-86513

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-86513

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Proof of Concept for CVE-2026-86513 (1)

Other References for CVE-2026-86513 (1)

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

CVE-2026-86512 6.3 MEDIUM java-json-tools json-patch Copy Move Operations CopyOperation.java MoveOperation.apply acc
CVE-2026-86511 5.3 MEDIUM java-json-tools jackson-coreutils JacksonUtils.java BigDecimal.toPlainString resource cons

IV. Related Vulnerabilities

Same product: jackson-coreutils
Same vendor: java-json-tools
Same weakness: CWE-770

V. Comments for CVE-2026-86513

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