CVE-2026-35213: @hapi/content provided HTTP Content-* headers parsing

Routine

HIGH 7.5REMOTEUPGRADE

CVE-2026-35213 is a high-severity flaw (CVSS 7.5) affecting content. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

@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.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 75%)
CISA exploited list	No
Weakness	CWE-1333
Published	2026-04-06
Last modified	2026-07-24

Publisher (CNA): GitHub, Inc. · Vendor: content project

Last updated 2026-07-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-06 21:16 UTCPublished CVE record published
2026-07-24 21:10 UTCUpdated Record last modified

content project content UPGRADE

Affected: < 6.0.1

Fixed in: 6.0.1

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls content

2. UPGRADE to 6.0.1

npm install content@">=6.0.1"

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-35213?

content: upgrade to 6.0.1. Exact commands for each OS are on this page.

Is CVE-2026-35213 being exploited?

CVE-2026-35213 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-35213 affect?

CVE-2026-35213 affects content. Severity is high (CVSS 7.5). @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 Conten

How urgent is CVE-2026-35213?

Priority 38/100. High severity; Remotely exploitable, no login, no user action

References

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