CVE-2026-105668 Hexpm hex - Protection Mechanism Failure

Hexpm hex 2.5.0 to < 2.5.2 contains a protection mechanism failure caused by improper cooldown bypass logic in package release handling, letting package owners or attackers who compromise owners bypass release-age cooldown, exploit requires package ownership or account compromise.

CVSS base score 7.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.33% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Protection Mechanism Failure
Impact
Remote Code Execution
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
12 October 2026
Updated
15 October 2026
Weakness
CWE-693

Vendor fix

Upgrade to version 2.5.2 or later.

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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