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CVE-2026-111755— follow-redirects sensitiveHeaders regex escaping can expose credential headers

Quick assessment

Affected
follow-redirects follow-redirects
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.

follow-redirects 是一个用于 Node.js 的 HTTP 和 HTTPS 客户端封装库，可自动跟随重定向。在 1.16.0 至 1.16.1 版本之间， 函数未能对 中合法的头名称元字符进行转义。当应用程序声明了一个包含 或 字符的敏感头名称，并执行跨域或从 HTTPS 到 HTTP 的重定向时，未转义的正则表达式元字符会导致生成的过滤器无法匹配该声明的头名称，从而使凭据头被转发到由攻击者控制的重定向目标。该问题已在 1.16.1 版本中修复。

CVSS 8.2 · High

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
follow-redirects follow-redirects >= 1.16.0, < 1.16.1 affected
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I. Basic Information for CVE-2026-111755

Vulnerability Information
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Vulnerability Title
follow-redirects sensitiveHeaders regex escaping can expose credential headers
Source: CVE Program / CVE List V5
Vulnerability Description
follow-redirects is a Node.js HTTP and HTTPS client wrapper that automatically follows redirects. From 1.16.0 until 1.16.1, escapeRegex leaves valid header-name metacharacters unescaped in sensitiveHeaders. When an application declares a sensitive header whose name contains ^ or | and follows a cross-origin or HTTPS-to-HTTP redirect, unescaped regular-expression metacharacters prevent the generated filter from matching the declared header name, and the credential header is forwarded to an attacker-controlled redirect target. This issue is fixed in version 1.16.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
不正确的正则表达式
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
follow-redirects follow-redirects >= 1.16.0, < 1.16.1 -

II. Public POCs for CVE-2026-111755

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III. Intelligence Information for CVE-2026-111755

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Patches & Fixes for CVE-2026-111755 (1)

Vendor Advisories for CVE-2026-111755 (1)

Vendor Pages for CVE-2026-111755 (1)

IV. Related Vulnerabilities

Same product: follow-redirects
Same vendor: follow-redirects
Same weakness: CWE-185

V. Comments for CVE-2026-111755

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