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.

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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)
JSON
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