CVE-2026-44974

Parameter smuggling in @hapi/content header parser allows upload-filter bypass via duplicate parameters

HIGH
7.7
CVSS Score
Published: July 17, 2026 at 08:11 PM UTC
Updated: October 24, 2026 at 08:10 PM UTC
1 product affected across 1 vendorProject Content

Using content by hapijs?

Get instant alerts when new vulnerabilities affect content - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.7
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

@hapi/content provided HTTP Content-* headers parsing. Prior to 6.0.2, Content.disposition() retained the last occurrence of each duplicate parameter while Content.type() retained the first occurrence of duplicate charset and boundary parameters, creating a parameter-smuggling primitive when another component in the request-processing chain resolves duplicates the opposite way. This can allow an upload filename allowlist bypass in headers such as Content-Disposition: form-data; name="file"; filename="safe.txt"; filename="shell.php". This issue is fixed in version 6.0.2.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 6.0.2
Affected range stops below 6.0.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.7HIGHGitHub_M
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-436

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card