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cve.nowby Sazabi
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piscina

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

Latest release
5.3.2 (Aug 28, 2026): no advisory affects it
Newest unaffected release
5.3.2 (Aug 28, 2026), the latest release
Advisories
2 · 1 critical, 1 high
Weekly downloads
17M
Dependents
413
Releases
57 since 1.0.0 (May 1, 2020)
Registry
npm
Releases read
Nov 8, 2026

Version timeline

  • CVE-2026-102992
    Affects 1.0.0-pre to 4.9.3 (4.9.4 is outside it); 5.0.0 to 5.3.1 (5.3.2 is outside it); 6.0.0-rc.1 to 6.0.0-rc.4 (6.0.0-rc.5 is outside it)
  • CVE-2026-55388
    Affects 1.0.0-pre to 4.9.2 (4.9.3 is outside it); 5.0.0-alpha.0 to 5.1.4 (5.2.0 is outside it); 6.0.0-rc.1 (6.0.0-rc.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 2

  • CVE-2026-102992Critical 9.2

    piscina: Prototype-pollution gadget in ThreadPool.options allows RCE via execArgv / loadBalancer / env

    Affected: from 5.0.0, fixed in 5.3.2; fixed in 4.9.4; from 6.0.0-rc.1, fixed in 6.0.0-rc.5.

    Fixed in 4.9.4 (released Aug 28, 2026, 33 days before disclosure), 5.3.2 (released Aug 28, 2026, 33 days before disclosure) and 6.0.0-rc.5 (released Aug 28, 2026, 33 days before disclosure).

    The latest release, 5.3.2, is not affected.

    52% of piscina downloads last week were affected versions (10.1M).

  • piscina: Prototype Pollution Gadget → RCE via inherited options.filename

    Affected: from 5.0.0-alpha.0, fixed in 5.2.0; fixed in 4.9.3; from 6.0.0-rc.1, fixed in 6.0.0-rc.2.

    Fixed in 4.9.3 (released Jun 12, 2026, 10 days before disclosure), 5.2.0 (released Jun 12, 2026, 10 days before disclosure) and 6.0.0-rc.2 (released Jun 12, 2026, 10 days before disclosure).

    The latest release, 5.3.2, is not affected.

    39% of piscina downloads last week were affected versions (7.4M).