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cve.nowby Sazabi
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http-cache-semantics

2 known vulnerabilities (1 high, 1 medium), with the versions each affects and the releases that fix them.

Latest release
4.3.0 (Oct 4, 2026): no advisory affects it
Newest unaffected release
4.3.0 (Oct 4, 2026), the latest release
Advisories
2 · 1 high, 1 medium
Weekly downloads
71.6M
Dependents
95.1K
Releases
30 since 1.0.0 (May 31, 2016)
Registry
npm
Releases read
Nov 8, 2026

Version timeline

Every release cve.now has on record, lowest version on the left; each bar is a run of versions an advisory affects.

Advisories 2

  • http-cache-semantics through 4.2.0 Cross-User Cache Disclosure via max-stale

    Affected: through 4.2.0.

    Fixed in 4.3.0 (released Oct 4, 2026, 16 days after disclosure), the first release outside every affected range (no listed fixed version clears them all).

    The latest release, 4.3.0, is not affected.

    67% of http-cache-semantics downloads last week were affected versions (53.9M).

  • CVE-2022-25881Medium 5.3

    This affects versions of the package http-cache-semantics before 4.1.1.

    Affected: fixed in 4.1.1.

    Fixed in 4.1.1 (released Jan 27, 2023, 4 days before disclosure).

    The latest release, 4.3.0, is not affected.

    6% of http-cache-semantics downloads last week were affected versions (4.8M).