---
id: CVE-2026-100903
title: A vulnerability was identified in ООО НПО Ритм GEOritm up to 2.45.1
summary: >-
  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 authenticati…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-287
  - CWE-306
vendor: ООО НПО Ритм
product: GEOritm
affected:
  - GEOritm 2.45.0
  - GEOritm 2.45.1
published: '2026-09-28'
updated: '2026-09-28'
sourceUpdated: '2026-09-28T15:16:04.793'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-100903'
references:
  - url: 'https://github.com/4ybrick/CVE-2026-100903'
    label: cna@vuldb.com
  - url: 'https://pastebin.com/3VsEG3Rg'
    label: cna@vuldb.com
  - url: 'https://ritm.ru/contacts/'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-100903'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/919388'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/410853'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/410853/cti'
    label: cna@vuldb.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-09-28T04:02:46.416Z'
---

## Overview

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."

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.