CVE-2026-59190

Description

grav-plugin-admin is an HTML user interface that provides a way to configure Grav and create and modify pages. In 1.10.52 and earlier, an authenticated attacker with admin.users permission can change the password of any user account, including the super administrator, by sending a direct POST request to /admin/user/{username}?task=save with data[password] because saveUser authorizes the caller's user-management permission but does not verify whether the caller may edit the target user. This issue is expected to be fixed in version 1.10.53.

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Weakness Type (CWE)

CWE-639 CWE-639

References

Other References

https://github.com/getgrav/grav-plugin-admin/commit/88f7ce8e50324472f492965caa42fb709a4f791a https://github.com/getgrav/grav/security/advisories/GHSA-p97c-g455-q447 https://github.com/getgrav/grav/security/advisories/GHSA-p97c-g455-q447

Frequently Asked Questions

What is CVE-2026-59190? +

grav-plugin-admin is an HTML user interface that provides a way to configure Grav and create and modify pages. In 1.10.52 and earlier, an authenticated attacker with admin.users permission can change the password of any user account, including the super administrator, by sending a direct POST request to /admin/user/{username}?task=save with data[password] because saveUser authorizes the caller's user-management permission but does not verify whether the caller may edit the target user. This issue is expected to be fixed in version 1.10.53.

How do I check if I'm vulnerable to CVE-2026-59190? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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