Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Deno | Deno | < 2.6.0 |
Related Weaknesses (CWE)
References
- https://github.com/denoland/deno/releases/tag/v2.6.0Release Notes
- https://github.com/denoland/deno/security/advisories/GHSA-5379-f5hf-w38vExploitVendor Advisory
FAQ
What is CVE-2026-22863?
CVE-2026-22863 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 ...
How severe is CVE-2026-22863?
CVE-2026-22863 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-22863?
Check the references section above for vendor advisories and patch information. Affected products include: Deno Deno.