CVE-2025-59787 HTTP 5XX Internal Server Errors

What is CVE-2025-59787?

CVE-2025-59787 is a medium-severity denial of service vulnerability in 2N Access Commander, published on 4 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

2N Access Commander application version 3.4.2 and prior returns HTTP 500 Internal Server Error responses when receiving malformed or manipulated requests, indicating improper handling of invalid input and potential security or availability impacts.

Weakness: CWE-703

Which versions are affected by CVE-2025-59787?

It affects 1 product.

Products include 2n Access Commander.

How do I fix CVE-2025-59787?

No fix has been published for CVE-2025-59787 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2025-59787 being exploited?

There is no known exploitation of CVE-2025-59787 in the wild and no public exploit code.

Other vulnerabilities in 2N Access Commander

• CVE-2025-59783 OS Command Injection over API High 8.8
• CVE-2024-47253 Path traversal in 2N Access Commander High 7.2
• CVE-2025-59784 Log Pollution - Control Characters Not Escaped Medium 6.9
• CVE-2024-47254 Privilege escalation in 2N Access Commander Medium 6.3
• CVE-2025-59786 Cookies are not Invalidated upon Logout and Password Change Medium 6.0

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-mxhf-gjp2-rprv.