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CVE-2021-25916

9.8 criticalEPSS 3.5%

Critical (9.8) in patchmerge project patchmerge. EPSS 3.5% chance of exploitation in the next 30 days. Fixed in patchmerge 1.0.2.

Prototype pollution vulnerability in 'patchmerge' versions 1.0.0 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
3.5% chance of exploitation in the next 30 days; higher than 89% of CVEs (scores of 2026-10-31)
CWE
CWE-1321
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-84g3-cv89-m9gmnpmpatchmerge>=1.0.0 <1.0.21.0.2

References

Check your stackJSON