CVE-2026-1527
CVE Details
Visit the official vulnerability details page for CVE-2026-1527 to learn more.
Initial Publication
03/12/2026
Last Update
03/20/2026
Third Party Dependency
undici
NIST CVE Summary
ImpactWhen an application passes user-controlled input to the upgrade option of client.request(), an attacker can inject CRLF sequences (\r\n) to:
- Inject arbitrary HTTP headers
- Terminate the HTTP request prematurely and smuggle raw data to non-HTTP services (Redis, Memcached, Elasticsearch) The vulnerability exists because undici writes the upgrade value directly to the socket without validating for invalid header characters:
// lib/dispatcher/client-h1.js:1121 if (upgrade) { header += `connection: upgrade\r\nupgrade: ${upgrade}\r\n` }
CVE Severity
Our Official Summary
Investigation is ongoing to determine how this vulnerability affects our products.
Status
Analyzed
Affected Products & Versions
| Version | PaletteAI | PaletteAI VerteX |
|---|---|---|
| 1.0.7 | ⚠️ Impacted | ⚠️ Impacted |
Revision History
No revisions available.