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CVE-2026-75601— Static Web Server: Authentication bypass on /metrics endpoint when --basic-auth is enabled

Quick assessment

Affected
static-web-server static-web-server
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.

static-web-server是static-web-server团队的一款静态网页服务器。 static-web-server 2.44.0之前版本存在授权问题漏洞，该漏洞源于/metrics端点在基础身份验证检查之前被处理，可能允许未经身份验证的远程攻击者检索Prometheus指标，泄露虚拟主机名、请求量、错误率、延迟分布和活动连接。

CVSS 4.3 · Medium EPSS 0.39% · P32

Affected Version Matrix 1

VendorProduct Version RangeStatus
static-web-server static-web-server < 2.44.0 affected
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I. Basic Information for CVE-2026-75601

Vulnerability Information
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Vulnerability Title
Static Web Server: Authentication bypass on /metrics endpoint when --basic-auth is enabled
Source: CVE Program / CVE List V5
Vulnerability Description
Static Web Server (SWS) is a production-ready web server suitable for static web files or assets. Through 2.43.0, instances with both basic-auth and metrics features enabled process the /metrics endpoint before the basic-auth check in src/handler.rs, allowing an unauthenticated remote attacker to retrieve Prometheus metrics that disclose virtual host names, request volumes, error rates, latency distributions, and active connections. This issue is fixed in version 2.44.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
static-web-server 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
static-web-server是static-web-server团队的一款静态网页服务器。 static-web-server 2.44.0之前版本存在授权问题漏洞，该漏洞源于/metrics端点在基础身份验证检查之前被处理，可能允许未经身份验证的远程攻击者检索Prometheus指标，泄露虚拟主机名、请求量、错误率、延迟分布和活动连接。
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
static-web-server static-web-server < 2.44.0 -

II. Public POCs for CVE-2026-75601

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III. Intelligence Information for CVE-2026-75601

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Patches & Fixes for CVE-2026-75601 (1)

Vendor Advisories for CVE-2026-75601 (1)

IV. Related Vulnerabilities

Same product: static-web-server
Same vendor: static-web-server
Same weakness: CWE-306

V. Comments for CVE-2026-75601

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