How severe is CVE-2026-35213?

CVE-2026-35213 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-35213 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-35213?

CVE-2026-35213 affects Content Project Content. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-35213?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-35213 have an EU (EUVD) identifier?

Yes. CVE-2026-35213 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19477.

When was CVE-2026-35213 published?

CVE-2026-35213 was published on 2026-04-06 and last updated on 2026-06-17.

CVE-2026-35213

CVE-2026-35213 is a high-severity vulnerability in Content Project Content with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1333.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 8.7
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-19477
Weakness: CWE-1333
Affected product: Content Project Content
Published: 2026-04-06
Last modified: 2026-06-17

Description

@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.

Frequently asked questions

What is CVE-2026-35213?: @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.
How severe is CVE-2026-35213?: CVE-2026-35213 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-35213 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-35213?: CVE-2026-35213 affects Content Project Content. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-35213?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-35213 have an EU (EUVD) identifier?: Yes. CVE-2026-35213 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19477.
When was CVE-2026-35213 published?: CVE-2026-35213 was published on 2026-04-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:content_project:content:*:*:*:*:*:node.js:*:*

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