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Vulnerability record · CVE-2022-26833 · published 25 May 2022

CVE-2022-26833: Openautomationsoftware oas platform missing authentication for critical function vulnerability

Openautomationsoftware · Oas Platform

An improper authentication vulnerability exists in the REST API functionality of Open Automation Software OAS Platform V16.00.0121. A specially-crafted series of HTTP requests can lead to unauthenticated use of the REST API. An attacker can send a series of HTTP requests to trigger this vulnerability.

9.4 CVSS 3.1 Critical EPSS 38% · top 1.5% CWE-306 · Missing authentication for critical function
9.4CVSS 3.1 base score, v2 7.5
38%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

An improper authentication vulnerability exists in the REST API functionality of Open Automation Software OAS Platform V16.00.0121. A specially-crafted series of HTTP requests can lead to unauthenticated use of the REST API. An attacker can send a series of HTTP requests to trigger this vulnerability.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://talosintelligence.com/vulnerability_reports/TALOS-2022-1513 ExploitMitigationThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2022-1513 ExploitMitigationThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-31242Openautomationsoftware oas platform improper access control vulnerabilityAn authentication bypass vulnerability exists in the OAS Engine functionality of Open Automation Software OAS Platform v18.00.0072. A specially-craft…EPSS 3.5%9.8CVE-2022-26082Openautomationsoftware oas platform missing authentication for critical function vulnerabilityA file write vulnerability exists in the OAS Engine SecureTransferFiles functionality of Open Automation Software OAS Platform V16.00.0112. A special…EPSS 20%8.1CVE-2023-34998Openautomationsoftware oas platform cleartext transmission vulnerabilityAn authentication bypass vulnerability exists in the OAS Engine functionality of Open Automation Software OAS Platform v18.00.0072. A specially craft…EPSS 1.2%8.1CVE-2023-32615Openautomationsoftware oas platform vulnerabilityA file write vulnerability exists in the OAS Engine configuration functionality of Open Automation Software OAS Platform v18.00.0072. A specially cra…EPSS 0.85%7.5CVE-2023-34353Openautomationsoftware oas platform vulnerabilityAn authentication bypass vulnerability exists in the OAS Engine authentication functionality of Open Automation Software OAS Platform v18.00.0072. A …EPSS 1.2%7.5CVE-2022-26067Openautomationsoftware oas platform missing authentication for critical function vulnerabilityAn information disclosure vulnerability exists in the OAS Engine SecureTransferFiles functionality of Open Automation Software OAS Platform V16.00.01…EPSS 1.3%7.5CVE-2022-26077Openautomationsoftware oas platform cleartext transmission vulnerabilityA cleartext transmission of sensitive information vulnerability exists in the OAS Engine configuration communications functionality of Open Automatio…EPSS 1.1%7.5CVE-2022-26303Openautomationsoftware oas platform missing authentication for critical function vulnerabilityAn external config control vulnerability exists in the OAS Engine SecureAddUser functionality of Open Automation Software OAS Platform V16.00.0112. A…EPSS 1.3%

Source: NIST National Vulnerability Database (record CVE-2022-26833), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.