CVE-2026-115728: hapijs @hapi/content (High, CVSS 8.7)

Remote Attacker
CVE-2026-115728Highhapijs @hapi/content
CVSS
8.7 High (v4.0)
EPSS
0.8% chance of exploitation in the next 30 days (higher than 57.7% of CVEs)
Exploited in the wild
Not on CISA’s KEV list
Public exploit
None reported in public exploit databases
Weakness
CWE-1333
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
Published
Oct 23, 2026

What it is

@hapi/content from 6.0.1 before 6.0.3 contains a regular expression denial of service vulnerability in Content.disposition() caused by an incomplete fix for CVE-2026-35213. Unauthenticated remote attackers can send multipart uploads with a long Content-Disposition parameter lacking an equals sign, triggering quadratic backtracking that blocks the event loop.

Description from the National Vulnerability Database.

What to do

Check whether you run hapijs @hapi/content, then apply the vendor’s fix or mitigation from the advisories below.

Sources: NVD, FIRST EPSS, CISA KEV, and public exploit databases (availability only). ThreatRoundup reports whether public exploit code exists but never links to it: fake proof-of-concepts that infect security researchers are common. This page updates automatically.