CVE-2026-22863

HIGH

7.5

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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published1/15/2026

Last Modified1/21/2026

Sourcenvd

Honeypot Sightings0

Affected Products

deno:deno

Weaknesses (CWE)

CWE-325

References

https://github.com/denoland/deno/releases/tag/v2.6.0(security-advisories@github.com)

https://github.com/denoland/deno/security/advisories/GHSA-5379-f5hf-w38v(security-advisories@github.com)

IOC Correlations

No correlations recorded

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