CVE-2026-22863

critical · 9.2

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.

9.2

CVSS

0.2%

EPSS (exploit prob.)

11th

EPSS percentile

2026-01-15

Published

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-325

Affected products

Vendor	Product	Affected versions
deno	deno	< 2.6.0

Check a specific version with /api/v1/cve/match.

References

https://github.com/denoland/deno/releases/tag/v2.6.0
https://github.com/denoland/deno/security/advisories/GHSA-5379-f5hf-w38v

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-22863