CVE-2026-1528

Published: Mar 12, 2026 Last Modified: Mar 12, 2026
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 7,5
Source: ce714d77-add3-4f53-aff5-83d477b104bb
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high

Description

AI Translation Available

ImpactA server can reply with a WebSocket frame using the 64-bit length form and an extremely large length. undici's ByteParser overflows internal math, ends up in an invalid state, and throws a fatal TypeError that terminates the process.

Patches

Patched in the undici version v7.24.0 and v6.24.0. Users should upgrade to this version or later.

248

Uncaught Exception

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Availability Confidentiality
Potential Impacts:
Dos: Crash, Exit, Or Restart Read Application Data
Applicable Platforms
Languages: C#, C++, Java
View CWE Details
1284

Improper Validation of Specified Quantity in Input

Incomplete
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Other Integrity Availability
Potential Impacts:
Varies By Context Dos: Resource Consumption (Cpu) Modify Memory Read Memory
Applicable Platforms
All platforms may be affected
View CWE Details
https://cna.openjsf.org/security-advisories.html
https://cna.openjsf.org/security-advisories.html
https://github.com/nodejs/undici/security/advisories/GHSA-f…
https://github.com/nodejs/undici/security/advisories/GHSA-f269-vfmq-vjvj
https://hackerone.com/reports/3537648
https://hackerone.com/reports/3537648