CVE-2026-106550 Mozilla Node-convict - Denial of Service

Mozilla Node-convict >= 6.2.2 contains a denial of service caused by incomplete prototype-pollution protections in config.set(), letting attackers overwrite core JavaScript methods causing persistent process failures, exploit requires attacker-controlled keys forwarded to config.set().

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.28% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
6 October 2026
Updated
15 October 2026
Weakness
CWE-400

Vendor fix

Update to the latest version with prototype-pollution protections fixed.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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