Is static-web-server affected by CVE-2026-27480?

crates.io static-web-server is affected in >=2.1.0 <2.41.0.

Is CVE-2026-27480 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

medium

CVE-2026-27480

Q: Is CVE-2026-27480 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

crates.io · static-web-server

Summary

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

Severity: medium
EPSS: 0.3% (p27)
Also known as: GHSA-qhp6-635j-x7r2
Published: 2026-02-20

References

https://github.com/static-web-server/static-web-server/security/advisories/GHSA-qhp6-635j-x7r2
https://nvd.nist.gov/vuln/detail/CVE-2026-27480
https://github.com/static-web-server/static-web-server/commit/7bf0fd425eb10dac9bf9ef5febce12c4dd039ce1

Related advisories

CVE-2025-67487 — medium · crates.io/static-web-server
CVE-2024-32966 — medium · crates.io/static-web-server

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.