CVE-2026-5031 BichitroGan ISP Billing Software Endpoint users-view resource injection
Remote attackers can manipulate the ID argument in the users-view endpoint to access or modify unauthorized resources due to improper control of resource identifiers.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-5031?
CVE-2026-5031 is a medium-severity path traversal vulnerability in BichitroGan ISP Billing Software, published on 29 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was found in BichitroGan ISP Billing Software 2025.3.20. Impacted is an unknown function of the file /?_route=settings/users-view/ of the component Endpoint. The manipulation of the argument ID results in improper control of resource identifiers. The attack can be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Weakness: CWE-99
Which versions are affected by CVE-2026-5031?
How do I fix CVE-2026-5031?
No fix has been published for CVE-2026-5031 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-5031 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-5031 exists.
Sources
Also known as GHSA-88jg-87gj-m92c.