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CVE-2026-50021

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 skipp
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:d5e4e98173d7111072d597192f8d28821cd79b01c2856d14967d4c5febcc21da
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"pnpm","vendor":"pnpm","versions":[{"status":"affected","version":"< 10.34.0"},{"status":"affected","version":">= 11.0.0, < 11.4.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cd3e5cff92376a3f90e17af7ae14014e4fc46e366065b197c4c8b4a3326c2077 · sha256:f0636cbbd330ab2c… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.8,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:cd3e5cff92376a3f90e17af7ae14014e4fc46e366065b197c4c8b4a3326c2077 · sha256:f0636cbbd330ab2c… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-354","description":"CWE-354: Improper Validation of Integrity Check Value","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:cd3e5cff92376a3f90e17af7ae14014e4fc46e366065b197c4c8b4a3326c2077 · sha256:f0636cbbd330ab2c… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"tags":["exploit"],"url":"https://github.com/pnpm/pnpm/security/advisories/GHSA-q6j5-fjx5-2mc3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cd3e5cff92376a3f90e17af7ae14014e4fc46e366065b197c4c8b4a3326c2077 · sha256:f0636cbbd330ab2c… · /containers/adp/0/references/0
{"name":"https://github.com/pnpm/pnpm/security/advisories/GHSA-q6j5-fjx5-2mc3","tags":["x_refsource_CONFIRM"],"url":"https://github.com/pnpm/pnpm/security/advisories/GHSA-q6j5-fjx5-2mc3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cd3e5cff92376a3f90e17af7ae14014e4fc46e366065b197c4c8b4a3326c2077 · sha256:f0636cbbd330ab2c… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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