static-web-server Static Web Server up to 2.43.0 Metrics Endpoint src/handler.rs information disclosure

Summaryinfo

A vulnerability was found in static-web-server Static Web Server up to 2.43.0. It has been classified as problematic. Affected by this vulnerability is an unknown functionality of the file src/handler.rs of the component Metrics Endpoint. Performing a manipulation results in information disclosure. This vulnerability is reported as CVE-2026-75601. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, was found in static-web-server Static Web Server up to 2.43.0. This affects an unknown code block of the file src/handler.rs of the component Metrics Endpoint. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

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.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-75601 since 08/18/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

Upgrading to version 2.44.0 eliminates this vulnerability.

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Productinfo

Type

• Web Server

Vendor

• static-web-server

Name

• Static Web Server

Version

• 2.0
• 2.1
• 2.2
• 2.3
• 2.4
• 2.5
• 2.6
• 2.7
• 2.8
• 2.9
• 2.10
• 2.11
• 2.12
• 2.13
• 2.14
• 2.15
• 2.16
• 2.17
• 2.18
• 2.19
• 2.20
• 2.21
• 2.22
• 2.23
• 2.24
• 2.25
• 2.26
• 2.27
• 2.28
• 2.29
• 2.30
• 2.31
• 2.32
• 2.33
• 2.34
• 2.35
• 2.36
• 2.37
• 2.38
• 2.39
• 2.40
• 2.41
• 2.42
• 2.43.0

CPE 2.3info

• 🔒
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CPE 2.2info

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Entryinfo

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