HOMEVULNERABILITIESCVE-2022-26833
UNKNOWNCISA KEVIN THE WILD

CVE-2022-26833

Published: April 11, 2026

Official 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.

NVD Source

Technical Analysis

CVE-2022-26833 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2022-26833 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.

Exploit & PoC Resources

ACTIVE EXPLOITATIONConfirmed exploitation in the wild
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Quick Facts

CVE IDCVE-2022-26833
Severity
CISA KEVYES — Active Exploitation
ExploitIN THE WILD
PublishedApr 11, 2026

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2022-26833 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
  • !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
  • !Active exploitation confirmed — treat as P1
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.