CVE-2026-21712: nodejs vulnerability
nodejs · node
Affected: nodejs · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 26% of scored CVEs
DescriptionCVE.org
A flaw in Node.js URL processing causes an assertion failure in native code when `url.format()` is called with a malformed internationalized domain name (IDN) containing invalid characters, crashing the Node.js process.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- nodejs · nodefrom 24.14.0 up to and including 24.14.0; from 25.8.1 up to and including 25.8.1
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- nodejs
- Published
- March 2026
- Bounty reports
- 1 disclosed on HackerOne
Disclosed bug bounty reports about CVE-2026-21712
The reports on HackerOne that name this CVE, with HackerOne's own outcome. Titles and metadata only.
- Assertion error in node_url.cc via malformed URL format leads to Node.js crashNode.js · 2026 · medium severityValid
CoverageNo articles yet
No CyberSIXT article names CVE-2026-21712 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.