cve.bz

CVE-2021-25948

9.8 criticalEPSS 3.3%

Critical (9.8) in expand-hash project expand-hash. EPSS 3.3% chance of exploitation in the next 30 days.

Prototype pollution vulnerability in 'expand-hash' versions 0.1.0 through 1.0.1 allows an attacker to cause a denial of service and may lead to remote code execution.

Severity

CVSS 3.1

9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
3.3% chance of exploitation in the next 30 days; higher than 88% of CVEs (scores of 2026-10-31)
CWE
CWE-1321
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-x3wr-v4wx-5qpcnpmexpand-hash<=1.0.1no fix published

References

Check your stackJSON