CVE-2026-119428— phpMyAdmin through 5.2.3 SSRF via setup/validate.php After Setup Disabled

Quick assessment

Affected

phpMyAdmin phpMyAdmin

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

phpMyAdmin 5.2.3 及更早版本存在服务端请求伪造（SSRF）漏洞。未认证的攻击者可通过触发出站连接，因为该文件缺少防护机制。攻击者可以提交其指定的主机和端口值，这些值会被传递至函数，从而建立 MySQL 协议连接，并利用返回的错误信息探测内部端口。

CVSS 3.7 · Low Updated Oct 30, 2026

Possible ATT&CK Techniques 2 AI

T1046 · Network Service Discovery T1190 · Exploit Public-Facing Application

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Vulnerability Information

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Vulnerability Title

phpMyAdmin through 5.2.3 SSRF via setup/validate.php After Setup Disabled

Source: CVE Program / CVE List V5

Vulnerability Description

phpMyAdmin through 5.2.3 contains a server-side request forgery vulnerability that allows unauthenticated attackers to trigger outbound connections via setup/validate.php, which lacks the setup-disabled guard. Attackers can POST attacker-chosen host and port values reaching Validator::testDBConnection() to open MySQL-protocol connections and probe internal ports using returned error messages.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Source: CVE Program / CVE List V5

Vulnerability Type

服务端请求伪造(SSRF)

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
phpMyAdmin	phpMyAdmin	0 ~ 5.2.3	-

II. Public POCs for CVE-2026-119428

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-119428

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Other References for CVE-2026-119428 (8)

https://github.com/phpmyadmin/phpmyadmin/blob/RELEASE_5_2_3/setup/validate.php#L21-L35 technical-description
https://abraxaslabs.tech/research/phpmyadmin-setup-validate third-party-advisory
https://github.com/phpmyadmin/phpmyadmin product
https://github.com/phpmyadmin/phpmyadmin/blob/RELEASE_5_2_3/libraries/classes/Config/Validator.php#L241 technical-description
https://github.com/phpmyadmin/phpmyadmin/commit/510e442593af5d4702bbb46cdb45ad51f3a8a9d3 patch
https://github.com/phpmyadmin/phpmyadmin/commit/126ac3ac5662ed3171ef3646636348fad3f8e952 patch
https://github.com/phpmyadmin/phpmyadmin/pull/19156 patch issue-tracking
https://www.vulncheck.com/advisories/phpmyadmin-through-5.2.3-ssrf-via-setup-validate-php-after-setup-disabled third-party-advisory

https://www.cve.org/CVERecord?id=CVE-2026-119428

Same Patch Batch · phpMyAdmin · 2026-10-30 · 7 CVEs total

CVE-2026-119426	7.5 HIGH	phpMyAdmin through 5.2.3 CSRF Token Bypass via Non-AJAX POST to /sql
CVE-2026-119561	6.8 MEDIUM	phpMyAdmin through 5.2.3 WebAuthn Two-Factor Authentication Bypass via CustomServer
CVE-2026-119563	5.4 MEDIUM	phpMyAdmin through 5.2.3 Stored XSS via Designer Query History Table Name
CVE-2026-119429	4.3 MEDIUM	phpMyAdmin through 5.2.3 Two-Factor Authentication Removal via /config/set
CVE-2026-119427	4.2 MEDIUM	phpMyAdmin through 5.2.3 SQL Injection via Designer saveSetting
CVE-2026-119562	4.2 MEDIUM	phpMyAdmin through 5.2.3 SQL Injection via Central Columns col_extra and col_attribute

IV. Related Vulnerabilities

Same product: phpMyAdmin

Same vendor: phpMyAdmin

Same weakness: CWE-918