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HIGH severity

phpMyAdmin server-side request forgery (SSRF)GHSA-44vv-mm86-7cg6

HIGH

GHSA-44vv-mm86-7cg6 is a high-severity (CVSS 8.6) Server-Side Request Forgery (SSRF) vulnerability in phpmyadmin/phpmyadmin. A fix is available for phpmyadmin/phpmyadmin — see the affected versions and patch details below.

Also known asCVE-2016-6621
Published
Updated
Affected
3 pkgs
Patched
3 / 3
Exploits
None indexed
Exploitation data as of Nov 11, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.9%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs80th percentile — riskier than 80% of all scored CVEsHighest risk
0.00%0.81%1.62%2.43%0.4%1.9%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

3 pkgs affected
🐘phpmyadmin/phpmyadmin🐘phpmyadmin/phpmyadmin🐘phpmyadmin/phpmyadmin

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

The setup script for phpMyAdmin before 4.0.10.19, 4.4.x before 4.4.15.10, and 4.6.x before 4.6.6 allows remote attackers to conduct server-side request forgery (SSRF) attacks via unspecified vectors.

Affected Packages

3 total 3 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagistphpmyadmin/phpmyadmin≥ 4.6.0&&< 4.6.64.6.6composer require phpmyadmin/phpmyadmin:^4.6.6
🐘Packagistphpmyadmin/phpmyadmin≥ 4.4.0&&< 4.4.15.104.4.15.10composer require phpmyadmin/phpmyadmin:^4.4.15.10
🐘Packagistphpmyadmin/phpmyadminall versions4.0.10.19composer require phpmyadmin/phpmyadmin:^4.0.10.19

Affected Products

1 product · 36 configurations
Application
phpmyadminphpmyadmin
≤ 4.0.10.18
32 versions
4.4.04.4.14.4.1.14.4.24.4.34.4.44.4.54.4.64.4.6.14.4.74.4.84.4.9

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for phpmyadmin/phpmyadmin, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update phpmyadmin/phpmyadmin to 4.6.6 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-44vv-mm86-7cg6 is resolved across your whole dependency graph.

  3. Workarounds

    Restrict outbound requests from the affected component to an allowlist of hosts, block access to link-local and internal address ranges at the network layer, and require authentication on internal services so a forged request cannot reach them unauthenticated.

Frequently Asked Questions

The setup script for phpMyAdmin before 4.0.10.19, 4.4.x before 4.4.15.10, and 4.6.x before 4.6.6 allows remote attackers to conduct server-side request forgery (SSRF) attacks via unspecified vectors.
O3 Security · Impact-Aware SCA

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phpMyAdmin server-side request forgery (SSRF) (High 8.6)