CVE-2026-22774 is a denial-of-service vulnerability affecting Svelte devalue versions 5.3.0 to 5.6.1, where specially crafted input can cause excessive CPU and memory consumption during parsing. This high-severity vulnerability (CVSS 7.5) can be exploited remotely with low attack complexity, potentially leading to system unavailability. There is no evidence of active exploitation, and no public exploit code is available, though it has garnered some community discussion and media coverage. Organizations using affected versions should upgrade to 5.6.2 immediately to mitigate this risk.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.3.0, < 5.6.2CPE matchmatch criteria | cpe:2.3:a:svelte:devalue:*:*:*:*:*:node.js:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.