CVE-2026-8208 Code injection in gibbon

High 8.9 Published Updated

Attackers with Teacher privileges can achieve remote code execution by manipulating report archive settings to force PHP interpretation of uploaded zip files.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-8208?

CVE-2026-8208 is a high-severity code injection vulnerability in gibbonedu gibbon, published on 9 May 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Gibbon versions before v30.0.01 are affected by a local file inclusion vulnerability resulting in RCE by changing the report archive directory and forcing interpretation of a user provided .zip as PHP. Successful exploitation requires Teacher or higher privileges. Exploitation could result in compromise of the underlying web server.

Weakness: CWE-98

Which versions are affected by CVE-2026-8208?

How do I fix CVE-2026-8208?

No fix has been published for CVE-2026-8208 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2026-8208 being exploited?

There is no known exploitation of CVE-2026-8208 in the wild and no public exploit code.

Sources

Also known as GHSA-px5v-8vpf-hw32.

Is CVE-2026-8208 in your software?

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