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CVE-2026-118764— minimatch: potential denial of service via globparts amplification

Quick assessment

Affected
isaacs minimatch
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.

minimatch 是一个用于将 glob 表达式转换为 JavaScript 正则表达式对象的轻量级匹配工具。在 11.0.1 版本之前，src/index.ts 中实现的 firstPhasePreProcess() 函数在优化级别（optimizationLevel）为 2 或更高时，会在不动点（fixpoint）循环中反复展开攻击者可控的 **/.. 模式片段，导致生成的 globParts 条目被重复处理和再次展开。随后，secondPhasePreProcess() 函数会对这些已展开的条目进行两两比较

CVSS 8.7 · High

Affected Version Matrix 1

VendorProduct Version RangeStatus
isaacs minimatch < 11.0.1 affected
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I. Basic Information for CVE-2026-118764

Vulnerability Information
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Vulnerability Title
minimatch: potential denial of service via globparts amplification
Source: CVE Program / CVE List V5
Vulnerability Description
minimatch is a minimal matching utility for converting glob expressions into JavaScript RegExp objects. Prior to 11.0.1, src/index.ts implements firstPhasePreProcess() so that, at optimizationLevel 2 or higher, it repeatedly expands attacker-controlled **/.. pattern segments inside a fixpoint loop, allowing generated globParts entries to be processed and expanded again. secondPhasePreProcess() then compares the expanded entries pairwise, so a short malicious glob can cause excessive CPU and memory consumption during pattern compilation. This issue is fixed in version 11.0.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
不对称的资源消耗(放大攻击)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
isaacs minimatch < 11.0.1 -

II. Public POCs for CVE-2026-118764

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III. Intelligence Information for CVE-2026-118764

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Other References for CVE-2026-118764 (3)

IV. Related Vulnerabilities

Same product: minimatch
Same vendor: isaacs
Same weakness: CWE-405