Vulnerability in Hapijs @Hapi/content
CVE-2026-115728
@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.
Vulnerability class: ReDoS (Regular Expression Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/hapijs/content/pull/42 (issue-tracking, patch)
- github.com/hapijs/content/commit/0993851dc7234976a3fce3a7c31662b213c940fd (patch)
- github.com/hapijs/content/tree/v6.0.3 (release-notes)
- github.com/hapijs/content/blob/v6.0.2/lib/index.js (technical-description)
- github.com/hapijs/content/security/advisories/GHSA-jg4p-7fhp-p32p (related, vendor-advisory)
- www.vulncheck.com/advisories/hapi-content-6.0.1-before-6.0.3-redos-via-content-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-115728?
- CVE-2026-115728 is a high-severity vulnerability in Hapijs @Hapi/content, classified under Inefficient Regular Expression Complexity. CVSS score: 7.5/10. Published 2026-10-23.
- How severe is CVE-2026-115728?
- High severity. CVSS v3 base score is 7.5 out of 10.