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cve.nowby Sazabi
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express-rate-limit

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

Latest release
8.7.3 (Nov 2, 2026): no advisory affects it
Newest unaffected release
8.7.3 (Nov 2, 2026), the latest release
Advisories
1 · 1 high
Weekly downloads
93.5M
Dependents
94.4K
Releases
133 since 1.0.0 (Dec 11, 2014)
Registry
npm
Releases read
Nov 8, 2026

Version timeline

  • CVE-2026-30827
    Affects 8.0.0 to 8.0.1 (8.0.2 is outside it); 8.1.0 (8.1.1 is outside it); 8.2.0 to 8.2.1 (8.2.2 is outside it)
Every release cve.now has on record, lowest version on the left; each bar is a run of versions an advisory affects.

Advisories 1

  • express-rate-limit: IPv4-mapped IPv6 addresses bypass per-client rate limiting (all IPv4 clients share one bucket on dual-stack servers)

    Affected: from 8.2.0, fixed in 8.2.2; from 8.1.0, fixed in 8.1.1; from 8.0.0, fixed in 8.0.2.

    Fixed in 8.0.2 (released Mar 5, 2026, 2 days before disclosure), 8.1.1 (released Mar 5, 2026, 2 days before disclosure) and 8.2.2 (released Mar 5, 2026, 2 days before disclosure).

    The latest release, 8.7.3, is not affected.

    2.6% of express-rate-limit downloads last week were affected versions (2.6M).