CVE-2026-4590 kalcaddle kodbox loginSubmit API index.class.php cross-site request forgery
Cross-site request forgery in kodbox loginSubmit API allows attackers to manipulate third-party authentication bindings, potentially leading to account takeover.
- 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-2026-4590?
CVE-2026-4590 is a low-severity vulnerability in kalcaddle kodbox, published on 23 Mar 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 kalcaddle kodbox 1.64. The impacted element is an unknown function of the file /workspace/source-code/plugins/oauth/controller/bind/index.class.php of the component loginSubmit API. Performing a manipulation of the argument third results in cross-site request forgery. Remote exploitation of the attack is possible. A high degree of complexity is needed for the attack. The exploitability is regarded as difficult. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-4590?
How do I fix CVE-2026-4590?
No fix has been published for CVE-2026-4590 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-4590 being exploited?
There is no known exploitation of CVE-2026-4590 in the wild and no public exploit code.
Sources
Also known as GHSA-9gjx-rgv5-g8mx.