CVE-2026-35213CWE-1333

Regular Expression Denial of Service (ReDoS) in @hapi/content HTTP header parsing

High · published April 6, 2026

CVSS v4.0
8.7
EPSS
1%
Percentile
46.7
In the wild
Unconfirmed
What it is

@hapi/content provided HTTP Content-* headers parsing. All versions of @hapi/content through 6.0.0 are vulnerable to Regular Expression Denial of Service (ReDoS) via crafted HTTP header values. Three regular expressions used to parse Content-Type and Content-Disposition headers contain patterns susceptible to catastrophic backtracking. This vulnerability is fixed in 6.0.1.

The record
Technical detail
CVSS v4.0
8.7 · HIGH
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
EPSS
0.00575 · 46.7th percentile
Weakness
CWE-1333 · Inefficient Regular Expression Complexity
Published
2026-04-06T20:08Z
EPSS history
Timeline
  • 06 APR 20:08Z
    Regular Expression Denial of Service (ReDoS) in @hapi/content HTTP header parsing
    cvelistv5