CVE-2026-22863 — Deno node:crypto doesn't finalize cipher
Deno is a JavaScript, TypeScript, and WebAssembly runtime. Before 2.6.0, node:crypto doesn't finalize cipher. The vulnerability allows an attacker to have infinite encryptions. …
Published: 2026-01-15 · CVSS: 9.2 · CVSS 4.0
Deno is a JavaScript, TypeScript, and WebAssembly runtime. Before 2.6.0, node:crypto doesn't finalize cipher. The vulnerability allows an attacker to have infinite encryptions. This can lead to naive attempts at brute forcing, as well as more refined attacks with the goal to learn the server secrets. This vulnerability is fixed in 2.6.0.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7