SB20260423127 - Missing Required Cryptographic Step in Deno

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Main Vulnerability Database SB20260423127

SB20260423127 - Missing Required Cryptographic Step in Deno

Published: April 23, 2026

Security Bulletin ID SB20260423127
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Missing Required Cryptographic Step (CVE-ID: CVE-2026-22863)

CWE-ID: CWE-325 - Missing Required Cryptographic Step

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to disclose sensitive information.

The vulnerability exists due to a missing cryptographic step in node:crypto cipher finalization when finalizing a cipher created with createCipheriv. A remote attacker can trigger repeated encryptions to disclose sensitive information.

The issue can enable brute-force attempts and more refined attacks aimed at learning server secrets.


Remediation

Install update from vendor's website.

References