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CVE-2026-13401— XML::Bare versions through 0.53 for Perl will hang in an infinite loop when parsing malformed attributes

AI Predicted 5.3 Difficulty: Moderate EPSS 0.39% · P31

Possible ATT&CK Techniques 1AI

T1200 · Hardware Additions

Affected Version Matrix 1

VendorProductVersion RangeStatus
CODECHILDXML::Bare≤ 0.53affected
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I. Basic Information for CVE-2026-13401

Vulnerability Information
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Vulnerability Title
XML::Bare versions through 0.53 for Perl will hang in an infinite loop when parsing malformed attributes
Source: NVD (National Vulnerability Database)
Vulnerability Description
XML::Bare versions through 0.53 for Perl will hang in an infinite loop when parsing malformed attributes. The parserc_parse function never advances the attribute-parse state cursor on certain malformed attribute forms, looping forever. Nameless attributes such as "<a ='c'>" or unbalanced quotes "<a b='''''''c'>" can trigger this condition.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
不可达退出条件的循环(无限循环)
Source: NVD (National Vulnerability Database)
Vulnerability Title
CODECHILD XML::Bare 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CODECHILD XML::Bare是CODECHILD的一款XML解析模块。 CODECHILD HTML::Bare 0.53及之前版本存在资源管理错误漏洞，该漏洞源于解析畸形属性时未能推进parserc_parse函数的属性解析状态光标，导致无限循环，如处理无名称属性（如`<a ='c'>`）或引号不平衡属性（如`<a b='''''''c'>`）时触发此条件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
CODECHILDXML::Bare 0 ~ 0.53 -

II. Public POCs for CVE-2026-13401

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III. Intelligence Information for CVE-2026-13401

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Patches & Fixes for CVE-2026-13401 (1)

Other References for CVE-2026-13401 (1)

Same Patch Batch · CODECHILD · 2026-07-16 · 4 CVEs total

CVE-2026-57074XML::Bare versions through 0.53 for Perl have an unbounded character lookahead
CVE-2026-57073HTML::Bare versions through 0.04 for Perl have an unbounded character lookahead
CVE-2026-13397HTML::Bare versions through 0.04 for Perl will hang in an infinite loop when parsing malfo

IV. Related Vulnerabilities

Same product: XML::Bare
Same vendor: CODECHILD
Same weakness: CWE-835

V. Comments for CVE-2026-13401

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