CVE-2026-92599 joi - Regular Expression Denial of Service

joi (npm package) versions >=17.2.0 <17.13.7 and >=18.0.0 <18.2.6 contain a regular expression denial of service caused by an unanchored regex in Joi.string().isoDate() validation, letting remote attackers stall the application with crafted input, exploit requires attacker to supply a long fractional-second ISO date string.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.58% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Regular Expression 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
16 September 2026
Updated
15 October 2026
Weakness
CWE-1333

Vendor fix

Upgrade to versions 17.13.7 or 18.2.6 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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