CVE-2026-5624 ProjectSend upload.php cross-site request forgery

Medium 5.3 Published Updated

Attackers can perform cross-site request forgery via upload.php to modify data, requiring an upgrade to ProjectSend r2029.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-5624?

CVE-2026-5624 is a medium-severity vulnerability in ProjectSend, published on 6 Apr 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A security flaw has been discovered in ProjectSend r2002. This vulnerability affects unknown code of the file upload.php. Performing a manipulation results in cross-site request forgery. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version r2029 is able to resolve this issue. The patch is named 2c0d25824ab571b6c219ac1a188ad9350149661b. You should upgrade the affected component.

Weakness: CWE-862, CWE-352

Which versions are affected by CVE-2026-5624?

How do I fix CVE-2026-5624?

No fix has been published for CVE-2026-5624 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-5624 being exploited?

There is no known exploitation of CVE-2026-5624 in the wild and no public exploit code.

Sources

Also known as GHSA-8x9f-c335-83wq.

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