No VulnCrest analysis published for this CVE yet. Below is the original CNA/NVD description, unmodified.
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.
Exploits & detection
No public PoC or detection template found yet.
Timeline
- Published: 30 Oct 2026
- Last modified upstream: 05 Nov 2026
Sources & licenses
- CVE / CVSS / CWE
- NVD record ↗ (unmodified). This product uses the NVD API but is not endorsed or certified by the NVD. CVE® © The MITRE Corporation.
- Exploitation
- CISA KEV (CC0) · EPSS by FIRST.org
- References used for the analysis
- https://abraxaslabs.tech/research/phpmyadmin-setup-validate (Exploit, 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 (Product)
- https://github.com/phpmyadmin/phpmyadmin/blob/RELEASE_5_2_3/setup/validate.php#L21-L35 (Product)
- https://github.com/phpmyadmin/phpmyadmin/commit/126ac3ac5662ed3171ef3646636348fad3f8e952 (Patch)
- https://github.com/phpmyadmin/phpmyadmin/commit/510e442593af5d4702bbb46cdb45ad51f3a8a9d3 (Patch)
- https://github.com/phpmyadmin/phpmyadmin/pull/19156 (Patch)
- https://www.vulncheck.com/advisories/phpmyadmin-through-5.2.3-ssrf-via-setup-validate-php-after-setup-disabled (Exploit, Patch, Third Party Advisory)
- https://abraxaslabs.tech/research/phpmyadmin-setup-validate (Exploit, Third Party Advisory)
- Analysis, summary and remediation
- © VulnCrest