CVE-2024-53866

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 1.0%, top 22% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Elevated
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

The package manager pnpm prior to version 9.15.0 seems to mishandle overrides and global cache: Overrides from one workspace leak into npm metadata saved in global cache; npm metadata from global cache affects other workspaces; and installs by default don't revalidate the data (including on first lockfile generation). This can make workspace A (even running with ignore-scripts=true) posion global cache and execute scripts in workspace B. Users generally expect ignore-scripts to be sufficient to prevent immediate code execution on install (e.g. when the tree is just repacked/bundled without executing it). Here, that expectation is broken. Global state integrity is lost via operations that one would expect to be secure, enabling subsequently running arbitrary code execution on installs. Version 9.15.0 fixes the issue. As a work-around, use separate cache and store dirs in each workspace.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
—
EPSS
57.3%
KEV
Not listed

Published

December 10, 2024

Last Modified

June 22, 2026

Advisory Details (2)

Auto-updated Jul 12, 2026
🔬 Proof of concept available. Patch available. Sources: github_commit, github.
github Patch Available🟡 PoC Available

No-script global cache poisoning via overrides / `ignore-scripts` evasion · Advisory · pnpm/pnpm · GitHub

https://github.com/pnpm/pnpm/security/advisories/GHSA-vm32-9rqf-rh3r
github_commit

commit 11afcddea48f (pnpm/pnpm)

Fix landed in pnpm/pnpm commit 11afcddea48f — awaiting tagged release

https://github.com/pnpm/pnpm/commit/11afcddea48f25ed5117a87dc1780a55222b9743

Affected Packages

(1 across 1 ecosystem)
npm(1)
PackageVulnerable rangeFixed inDependents
pnpm—9.15.0—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 9× in last 7d / 43× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-22 14:07 UTCEPSS rescore
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  14. 2026-07-13 17:07 UTCOSV refresh
  15. 2026-07-13 06:12 UTCEPSS rescore
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  1. 2026-07-05 02:29 UTCEPSS rescore
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  11. 2026-06-27 03:08 UTCEPSS rescore
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  13. 2026-06-25 14:16 UTCOSV refresh
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  23. 2026-06-21 01:59 UTCEPSS rescore
  24. 2026-06-19 19:25 UTCEPSS rescore
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  26. 2026-06-18 17:52 UTCEPSS rescore
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  38. 2026-06-10 22:18 UTCEPSS rescore
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  40. 2026-06-10 13:21 UTCEPSS rescore
  41. 2026-06-08 14:16 UTCEPSS rescore
  42. 2026-06-08 14:16 UTCEPSS rescore
  43. 2026-06-08 04:58 UTCOSV refresh
  44. 2026-06-07 15:24 UTCEPSS rescore
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  46. 2026-06-06 13:46 UTCEPSS rescore
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  48. 2026-06-05 22:46 UTCEPSS rescore
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  50. 2026-06-05 06:09 UTCEPSS rescore
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  73. 2026-05-26 07:18 UTCEPSS rescore
  74. 2026-05-23 16:47 UTCEG score recompute

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2024-53866?
CVE-2024-53866 is a critical vulnerability published on December 10, 2024. The package manager pnpm prior to version 9.15.0 seems to mishandle overrides and global cache: Overrides from one workspace leak into npm metadata saved in global cache; npm metadata from global cache affects other workspaces; and installs by default don't revalidate the data (including on first…
When was CVE-2024-53866 disclosed?
CVE-2024-53866 was first published in the National Vulnerability Database on December 10, 2024, with the most recent update on June 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-53866 actively exploited?
CVE-2024-53866 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 57.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2024-53866?
CVE-2024-53866 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2024-53866?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-53866, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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