opensourcepos Open Source Point of Sale up to 3.4.2 Login Endpoint app/Config/Filters.php Login::index excessive authentication

Summaryinfo

A vulnerability has been found in opensourcepos Open Source Point of Sale up to 3.4.2 and classified as problematic. This vulnerability affects the function Login::index of the file app/Config/Filters.php of the component Login Endpoint. This manipulation causes excessive authentication. This vulnerability is registered as CVE-2026-19895. Remote exploitation of the attack is possible. Furthermore, an exploit is available. The project was informed of the problem early through an issue report but has not responded yet.

Detailsinfo

A vulnerability was found in opensourcepos Open Source Point of Sale up to 3.4.2. It has been declared as problematic. Affected by this vulnerability is the function Login::index of the file app/Config/Filters.php of the component Login Endpoint. The manipulation with an unknown input leads to a excessive authentication vulnerability. The CWE definition for the vulnerability is CWE-307. The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it more susceptible to brute force attacks. As an impact it is known to affect confidentiality.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-19895. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. MITRE ATT&CK project uses the attack technique T1110.001 for this issue.

It is possible to download the exploit at github.com. It is declared as proof-of-concept. The project was informed of the problem early through an issue report but has not responded yet. By approaching the search of inurl:app/Config/Filters.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• opensourcepos

Name

• Open Source Point of Sale

Version

• 3.4.0
• 3.4.1
• 3.4.2

CPE 2.3info

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CPE 2.2info

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Submitinfo

Accepted

• Submit #870664: OpenSourcePOS <=3.4.2 Improper Restriction of Excessive Authentication Attempts (by ZAST.AI)

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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