Prototype Pollution in TanStack DB Affects Alias Path Functionality
CVE-2026-15607

5.3MEDIUM

Key Information:

Vendor

Tanstack

Status
Db
Vendor
CVE Published:
13 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-15607?

A vulnerability exists in TanStack DB versions up to 0.6.8, specifically in the select function of the Alias Path Handler located in the src/query/compiler/select.ts file. This vulnerability allows for the improper manipulation of object prototype attributes, which may be exploited remotely. The exploit has been made public, emphasizing the urgency for affected users to apply the necessary patch identified as ac09b1177a100eafa85cba3cd09dd1f53f933ded to secure their systems against potential attacks.

Affected Version(s)

db 0.6.0

db 0.6.1

db 0.6.2

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-2026-15607 - Proof of Concept

References

https://vuldb.com/vuln/378115
vdb-entrytechnical-description
https://vuldb.com/vuln/378115/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-15607
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
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

Dremig (VulDB User)
.