Is litestar affected by CVE-2026-25479?

PyPI litestar is affected in >=2.19.0 <2.20.0.

Is CVE-2026-25479 being exploited?

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

medium

CVE-2026-25479

Q: Is CVE-2026-25479 being exploited?

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

PyPI · litestar

Summary

Litestar's AllowedHosts has a validation bypass due to unescaped regex metacharacters in configured host patterns

Severity: medium
EPSS: 0.3% (p23)
Also known as: GHSA-93ph-p7v4-hwh4
Published: 2026-02-09

References

https://github.com/litestar-org/litestar/security/advisories/GHSA-93ph-p7v4-hwh4
https://nvd.nist.gov/vuln/detail/CVE-2026-25479
https://github.com/litestar-org/litestar/commit/06b36f481d1bfea6f19995cfb4f203aba45c4ace

Related advisories

CVE-2026-48060 — high · PyPI/litestar
CVE-2026-25478 — high · PyPI/litestar
CVE-2025-59152 — high · PyPI/litestar
CVE-2026-48061 — medium · PyPI/litestar
CVE-2026-25480 — medium · PyPI/litestar

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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.