CVE-2026-21713 | Node.js up to 20.20.1/22.22.1/24.14.0/25.8.1 HMAC Verification crypto_hmac.cc memcmp comparison

VDB-354146 · CVE-2026-21713 · GCVE-0-2026-21713 NODE.JS UP TO 20.20.1/22.22.1/24.14.0/25.8.1 HMAC VERIFICATION CRYPTO_HMAC.CC MEMCMP COMPARISON HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 3.6 $0-$5k 4.40+ Summaryinfo A vulnerability, which was classified as problematic, was found in Node.js up to 20.20.1/22.22.1/24.14.0/25.8.1. Affected by this issue is the function memcmp of the file crypto_hmac.cc of the component HMAC Verification. Such manipulation leads to comparison. This vulnerability is documented as CVE-2026-21713. The attack can be executed remotely. There is not any exploit available. You should upgrade the affected component. Detailsinfo A vulnerability was found in Node.js up to 20.20.1/22.22.1/24.14.0/25.8.1 and classified as problematic. Affected by this issue is the function memcmp of the file crypto_hmac.cc of the component HMAC Verification. The manipulation with an unknown input leads to a comparison vulnerability. Using CWE to declare the problem leads to CWE-697. The product compares two entities in a security-relevant context, but the comparison is incorrect, which may lead to resultant weaknesses. Impacted is integrity. The advisory is available at nodejs.org. This vulnerability is handled as CVE-2026-21713. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit. Upgrading to version 20.20.2, 22.22.2, 24.14.1 or 25.8.2 eliminates this vulnerability. The upgrade is hosted for download at nodejs.org. Productinfo Type JavaScript Library Name Node.js Version 20.20.0 20.20.1 22.22.0 22.22.1 24.0 24.1 24.2 24.3 24.4 24.5 24.6 24.7 24.8 24.9 24.10 24.11 24.12 24.13 24.14.0 25.8.0 25.8.1 License open-source CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 3.7 VulDB Meta Temp Score: 3.6 VulDB Base Score: 3.7 VulDB Temp Score: 3.6 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Comparison CWE: CWE-697 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: Node.js 20.20.2/22.22.2/24.14.1/25.8.2 Timelineinfo 03/30/2026 Advisory disclosed 03/30/2026 +0 days VulDB entry created 03/30/2026 +0 days VulDB entry last update Sourcesinfo Advisory: nodejs.org Status: Confirmed CVE: CVE-2026-21713 (🔒) GCVE (CVE): GCVE-0-2026-21713 GCVE (VulDB): GCVE-100-354146 Entryinfo Created: 03/30/2026 07:41 Changes: 03/30/2026 07:41 (54) Complete: 🔍 Cache ID: 99:BBD:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸