Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
pnpm: Integrity Check Bypass via Missing Lockfile Integrity Field
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L L N U H H N 8.1 .0017 7.1 —
AFFECTED
Product Versions Fixed
pnpm < 10.34.0 – —
TIMELINE
Jun 2 Reserved by GitHub_M
Jun 25 EXPLOIT PUBLISHED — CVE-2026-50021 (pnpm). Public exploit reference added.
Jun 25 Published (CNA: GitHub_M)
Description
pnpm is a package manager. Prior to 10.34.0 and 11.4.0, pnpm's tarball extraction worker skips integrity verification when the integrity field is absent from the lockfile resolution. If an attacker can both modify pnpm-lock.yaml to remove the integrity: field and cause the referenced registry URL to serve altered package content, pnpm install --frozen-lockfile can install the altered package without an integrity error. npm's npm ci enforces integrity by default; pnpm's behavior of silently skipping verification is a pnpm-specific fail-open gap. This vulnerability is fixed in 10.34.0 and 11.4.0.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| June 2, 2026 | Reserved | Reserved by GitHub_M |
| June 25, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-50021 (pnpm). Public exploit reference added. |
| June 25, 2026 | Published | Published (CNA: GitHub_M) |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| pnpm | pnpm | — | < 10.34.0 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-50021 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.