PHP MySQL Database Management Tool Vulnerability Found in phpMyAdmin
CVE-2026-121262

6.9MEDIUM

Key Information:

Vendor

PHPmyadmin
Status
Sql-parser
Vendor
CVE Published:
3 November 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-121262?

A vulnerability exists in the phpMyAdmin SQL-Parser affecting versions 6.0.0 and 6.0.1, specifically within the 'parse' function of the ExplainStatement.php file. This vulnerability allows for the manipulation of the 'nextToken' argument, resulting in an incorrect type conversion. Attackers can exploit this flaw remotely, making it a serious concern for users of these phpMyAdmin versions. Despite the responsible disclosure attempt, the vendor has not responded, and the exploit has been made public.

Affected Version(s)

SQL-Parser 6.0.0

SQL-Parser 6.0.1

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-2026-121262 - Proof of Concept

References

https://vuldb.com/vuln/430228
vdb-entrytechnical-description
https://vuldb.com/vuln/430228/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-121262
third-party-advisory

CVSS V4

Score:
6.9
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

Ishan Oshada
ishanoshada (VulDB User)
ishanoshada (VulDB User)
VulDB CNA Team
.