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CVE-2026-44974

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

Published: Jul 17, 2026Updated: Jul 23, 2026 Sources: CVE List NVDCWE-436
N/ACVSS
NVD MITRE
EPSS Score
0.5%
Top 60.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
Not available

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.

No summary for this CVE yet.

Weaknesses

CWE-436

Affected Products

hapijs
oss-projectaka hapi, hoek, content
contentMixed
OSS Libraries / web-framework

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

References

https://github.com/hapijs/content/commit/3850079550c191d25e3643dc82a6d61144db8c2f
github.com
https://github.com/hapijs/content/security/advisories/GHSA-36hh-x5p5-jgc8
github.com

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