CVE-2026-34404 Nuxt OG Image vulnerable to DoS via image generation
Attackers can cause denial of service in Nuxt OG Image by requesting images with unrestricted dimensions, requiring an upgrade to the module.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-34404?
CVE-2026-34404 is a medium-severity denial of service vulnerability in nuxt-modules og-image, published on 31 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-400
Which versions are affected by CVE-2026-34404?
2 open source packages ship an affected version, including nuxt-og-image. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
nuxt-og-image npm | All versions | 6.2.5 |
nuxt-og-image npm | All versions | 6.2.5 |
Products include Nuxt Og Image.
How do I fix CVE-2026-34404?
Upgrade nuxt-og-image to 6.2.5 or later.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-34404 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-34404 exists.
Other vulnerabilities in nuxt-modules og-image
Sources
Also known as GHSA-c7xp-q6q8-hg76.