Is CVE-2026-22863 actively exploited?

No active exploitation of CVE-2026-22863 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-22863 be exploited remotely?

Yes. CVE-2026-22863 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-22863?

CVE-2026-22863 has a CVSS score of 7.5 (HIGH).

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HIGH

CVE-2026-22863

CWE-325Published: January 15, 2026· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2026-22863 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.