CVE-2026-21712 | Node.js up to 20.20.1/22.22.1/24.14.0/25.8.1 URL node_url.cc url.format assertion

VDB-354145 · CVE-2026-21712 · GCVE-0-2026-21712 NODE.JS UP TO 20.20.1/22.22.1/24.14.0/25.8.1 URL NODE_URL.CC URL.FORMAT ASSERTION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.1 $0-$5k 4.59+ Summaryinfo A vulnerability, which was classified as problematic, has been found in Node.js up to 20.20.1/22.22.1/24.14.0/25.8.1. Affected by this vulnerability is the function url.format of the file node_url.cc of the component URL Handler. This manipulation causes assertion. This vulnerability is registered as CVE-2026-21712. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component. Detailsinfo A vulnerability has been 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 vulnerability is the function url.format of the file node_url.cc of the component URL Handler. The manipulation with an unknown input leads to a assertion vulnerability. The CWE definition for the vulnerability is CWE-617. The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary. As an impact it is known to affect availability. The advisory is shared at nodejs.org. This vulnerability is known as CVE-2026-21712. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available. 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: 5.3 VulDB Meta Temp Score: 5.1 VulDB Base Score: 5.3 VulDB Temp Score: 5.1 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: Assertion CWE: CWE-617 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-2026-21712 (🔒) GCVE (CVE): GCVE-0-2026-21712 GCVE (VulDB): GCVE-100-354145 Entryinfo Created: 03/30/2026 07:41 Changes: 03/30/2026 07:41 (55) Complete: 🔍 Cache ID: 99:404:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸