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CVE-2026-35213— Regular Expression Denial of Service (ReDoS) in @hapi/content HTTP header parsing

Quick assessment

Affected
hapijs content
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.

@hapi/content是hapi.js开源的一个HTTP内容头解析库。 @hapi/content 6.0.0及之前版本存在安全漏洞，该漏洞源于解析HTTP标头的正则表达式存在缺陷，可能导致正则表达式拒绝服务。

AI Predicted 5.3 Difficulty: Moderate EPSS 0.57% · P47

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking

Affected Version Matrix 1

VendorProduct Version RangeStatus
hapijs content < 6.0.1 affected
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I. Basic Information for CVE-2026-35213

Vulnerability Information
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Vulnerability Title
Regular Expression Denial of Service (ReDoS) in @hapi/content HTTP header parsing
Source: CVE Program / CVE List V5
Vulnerability Description
@hapi/content provided HTTP Content-* headers parsing. All versions of @hapi/content through 6.0.0 are vulnerable to Regular Expression Denial of Service (ReDoS) via crafted HTTP header values. Three regular expressions used to parse Content-Type and Content-Disposition headers contain patterns susceptible to catastrophic backtracking. This vulnerability is fixed in 6.0.1.
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
CWE-1333
Source: CVE Program / CVE List V5
Vulnerability Title
@hapi/content 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
@hapi/content是hapi.js开源的一个HTTP内容头解析库。 @hapi/content 6.0.0及之前版本存在安全漏洞，该漏洞源于解析HTTP标头的正则表达式存在缺陷，可能导致正则表达式拒绝服务。
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

Vendor Product Affected Versions CPE Subscribe
hapijs content < 6.0.1 -

II. Public POCs for CVE-2026-35213

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III. Intelligence Information for CVE-2026-35213

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IV. Related Vulnerabilities

Same product: content
Same vendor: hapijs
Same weakness: CWE-1333

V. Comments for CVE-2026-35213

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