How severe is CVE-2026-34404?

CVE-2026-34404 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-2026-34404 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-34404?

CVE-2026-34404 affects Nuxt Og Image. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-34404?

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-2026-34404 have an EU (EUVD) identifier?

Yes. CVE-2026-34404 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-17668.

When was CVE-2026-34404 published?

CVE-2026-34404 was published on 2026-03-31 and last updated on 2026-06-17.

CVE-2026-34404

CVE-2026-34404 is a high-severity vulnerability in Nuxt Og Image 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-400.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 6.9
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-17668
Weakness: CWE-400
Affected product: Nuxt Og Image
Published: 2026-03-31
Last modified: 2026-06-17

Description

Nuxt OG Image generates OG Images with Vue templates in Nuxt. Prior to version 6.2.5, the image‑generation component by the URI: /_og/d/ (and, in older versions, /og-image/) contains a Denial of Service (DoS) vulnerability. The issue arises because there is no restriction on the width and height parameters of the generated image. The vulnerability was reproduced using the standard configuration and the default templates. This issue has been patched in version 6.2.5.

Frequently asked questions

What is CVE-2026-34404?: Nuxt OG Image generates OG Images with Vue templates in Nuxt. Prior to version 6.2.5, the image‑generation component by the URI: /_og/d/ (and, in older versions, /og-image/) contains a Denial of Service (DoS) vulnerability. The issue arises because there is no restriction on the width and height parameters of the generated image. The vulnerability was reproduced using the standard configuration and the default templates. This issue has been patched in version 6.2.5.
How severe is CVE-2026-34404?: CVE-2026-34404 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-2026-34404 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-34404?: CVE-2026-34404 affects Nuxt Og Image. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-34404?: 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-2026-34404 have an EU (EUVD) identifier?: Yes. CVE-2026-34404 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-17668.
When was CVE-2026-34404 published?: CVE-2026-34404 was published on 2026-03-31 and last updated on 2026-06-17.

References

https://github.com/nuxt-modules/og-image/security/advisories/GHSA-c7xp-q6q8-hg76

Affected products (1)

cpe:2.3:a:nuxt:og_image:*:*:*:*:*:node.js:*:*

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