CVE-2026-104150 AdonisJS HTTP Server - Denial of Service

AdonisJS HTTP Server < 8.2.2 and < 9.1.1 contains a denial of service caused by adjacent greedy repetitions with overlapping character classes in router.matchers.slug(), letting attackers cause excessive CPU use and block event loop, exploit requires attacker-controlled route parameter.

CVSS base score 8.7 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Denial Of Service
Impact
Denial Of Service
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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
15 October 2026
Updated
16 October 2026
Weakness
CWE-400

Vendor fix

Update to versions 8.2.2 or 9.1.1 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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