CVE-2026-100903 Ооо Нпо Ритм — Exploit & Vulnerability Details MEDIUM

Parameter	Value
CVSS	5.5 (MEDIUM)
Type	CWE-287 (Improper Authentication), CWE-306 (Missing Authentication for Critical Function)
Vendor	Ооо Нпо Ритм
Public PoC	No

A vulnerability was identified in ООО НПО Ритм GEOritm up to 2.45.1. This affects an unknown part of the file /restapi/objects/obj-groups of the component REST API. Such manipulation of the argument objectId leads to missing authentication.

The attack can be launched remotely. The exploit is publicly available and might be used. Upgrading to version 2.46 is able to mitigate this issue.

It is advisable to upgrade the affected component. The vendor confirms: "In August 2026, NPO Ritm received an official vulnerability notification from the Russian Federal Service for Technical and Export Control (FSTEC Russia). The vulnerability was registered under identifier BDU:2026-11235.

Following our internal investigation, we confirmed the vulnerability and implemented the necessary security fixes. The vulnerability has been fixed on our hosted GEO.RITM server at geo.ritm.ru. The fix has also been included in GEO.RITM version 2.46, which is already being distributed to our customers."