Inefficient Regular Expression Complexity in Vercel Hyper
CVE-2025-7074

5.3MEDIUM

Key Information:

Vendor

Vercel
Status
Hyper
Vendor
CVE Published:
5 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-7074?

A notable vulnerability has been identified in Vercel's Hyper, particularly in the function expand/braceExpand/ignoreMap within hyper/bin/rimraf-standalone.js. This flaw allows for the exploitation of inefficient regular expression complexities, which can be triggered remotely. Attackers may utilize this vulnerability to perform denial-of-service (DoS) attacks or other disruptive activities. The issue has been made publicly known and poses significant security implications for users of affected versions of the Hyper product.

Affected Version(s)

hyper 3.4.0

hyper 3.4.1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-7074 - Proof of Concept

References

https://vuldb.com/?id.314973
vdb-entrytechnical-description
https://vuldb.com/?ctiid.314973
signaturepermissions-required
https://vuldb.com/?submit.602353
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

DayShift (VulDB User)
.
CVE-2025-7074 : Inefficient Regular Expression Complexity in Vercel Hyper