CVE-2026-22863: Deno node:crypto doesn't finalize cipher

CVE-2026-22863 · Severity: medium · CVSS 4 · Published 2026-01-16

Deno node:crypto doesn't finalize cipher

Technologies: deno (crates.io). Vendors: crates.io.

Quick answers

Is CVE-2026-22863 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-22863 being exploited in the wild.
How severe is CVE-2026-22863?
Medium severity, with a CVSS score of 4, published 16 January 2026.
Which products and versions are affected?
deno (crates.io) SEMVER:introduced=0,fixed=2.6.0.
Is there a fix for CVE-2026-22863?
Yes. deno (crates.io): upgrade to 2.6.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2026-22863?
Check whether you run deno (crates.io) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • deno (crates.io): upgrade to 2.6.0 or later
    cargo update -p deno

Affected products

  • deno (crates.io) SEMVER:introduced=0,fixed=2.6.0

Identifiers

  • CVE-2026-22863
  • GHSA-5379-f5hf-w38v

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