ООО НПО Ритм GEOritm REST API obj-groups missing authentication (CVE-2026-100903) | HOL Guard CVE

Medium · CVSS 6.9CVE-2026-100903

ООО НПО Ритм GEOritm REST API obj-groups missing authentication

Answer in brief

CVE-2026-100903 records a Medium severity (CVSS 6.9) vulnerability in ООО НПО Ритм GEOritm REST API obj-groups missing authentication. The current sources do not mark it as known exploited. The current feed maps ООО НПО Ритм/GEOritm (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 28, 2026Updated Sep 28, 2026Source checked Sep 28, 2026First seen by HOL Sep 28, 2026Material review Sep 28, 2026

Upstream Advisory

Key facts

Risk: Medium · CVSS 6.9
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

CVSS is 6.9. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps ООО НПО Ритм/GEOritm (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
ООО НПО Ритм/GEOritmgeneric	2.45.0 \|\| 2.45.1	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for ООО НПО Ритм/GEOritm.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Sep 28, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 28, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 28, 2026

Sources and claim methodology

Upstream source description

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."

Quoted source text, attributed separately from HOL analysis.