# CVE-2026-27480: Static Web Server affected by timing-based username enumeration in Basic Authentication due to early response on…

Source: https://junglewise.ai/threats/cve-2026-27480-static-web-server-affected-by-timing-based-username-enumeration  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-02-20  
License: CC BY 4.0 with a link back

CVE-2026-27480 · Severity: low · CVSS 3.1 · Published 2026-02-20

Static Web Server affected by timing-based username enumeration in Basic Authentication due to early response on invalid usernames

Technologies: [static-web-server (crates.io)](https://junglewise.ai/threats/technologies/crates-io-static-web-server). Vendors: [crates.io](https://junglewise.ai/threats/vendors/crates-io).

## Quick answers

**Is CVE-2026-27480 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-27480 being exploited in the wild.

**How severe is CVE-2026-27480?** Low severity, with a CVSS score of 3.1, published 20 February 2026.

**Which products and versions are affected?** static-web-server (crates.io) SEMVER:introduced=2.1.0,fixed=2.41.0.

**Is there a fix for CVE-2026-27480?** Yes. static-web-server (crates.io): upgrade to 2.41.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2026-27480?** Check whether you run static-web-server (crates.io) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- static-web-server (crates.io): upgrade to 2.41.0 or later

  ```sh
  cargo update -p static-web-server
  ```


## Affected products

- static-web-server (crates.io) SEMVER:introduced=2.1.0,fixed=2.41.0

## Identifiers

- CVE-2026-27480
- GHSA-qhp6-635j-x7r2

## Related threats

- [Static Web Server vulnerable to a symbolic link path traversal](https://junglewise.ai/threats/cve-2025-67487-static-web-server-vulnerable-to-a-symbolic-link-path-traversal)
- [static-web-server vulnerable to stored Cross-site Scripting in directory listings via file names](https://junglewise.ai/threats/cve-2024-32966-static-web-server-vulnerable-to-stored-cross-site-scripting-in)