How severe is CVE-2026-22207?

CVE-2026-22207 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-22207 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-22207?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-22207 have an EU (EUVD) identifier?

Yes. CVE-2026-22207 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8885.

When was CVE-2026-22207 published?

CVE-2026-22207 was published on 2026-02-26 and last updated on 2026-06-17.

CVE-2026-22207

CVE-2026-22207 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.3
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-8885
Weakness: CWE-306
Published: 2026-02-26
Last modified: 2026-06-17

Description

OpenViking through version 0.1.18, prior to commit 0251c70, contains a broken access control vulnerability that allows unauthenticated attackers to gain ROOT privileges when the root_api_key configuration is omitted. Attackers can send requests to protected endpoints without authentication headers to access administrative functions including account management, resource operations, and system configuration.

Frequently asked questions

What is CVE-2026-22207?: OpenViking through version 0.1.18, prior to commit 0251c70, contains a broken access control vulnerability that allows unauthenticated attackers to gain ROOT privileges when the root_api_key configuration is omitted. Attackers can send requests to protected endpoints without authentication headers to access administrative functions including account management, resource operations, and system configuration.
How severe is CVE-2026-22207?: CVE-2026-22207 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-22207 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-22207?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-22207 have an EU (EUVD) identifier?: Yes. CVE-2026-22207 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8885.
When was CVE-2026-22207 published?: CVE-2026-22207 was published on 2026-02-26 and last updated on 2026-06-17.

References

Other CWE-306 (Missing Authentication for Critical Function) vulnerabilities

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CVE-2026-50242 — Critical (CVSS 10.0): In JetBrains Hub before 2026.1.13757, 2025.3.148033, 2025.2.148048, 2025.1.148120, 2024.3.148430, 2024.2.148429…
CVE-2026-49257 — Critical (CVSS 10.0): mcp-pinot is a Python-based Model Context Protocol (MCP) server for interacting with Apache Pinot. In versions 3.0.1…
CVE-2026-46846 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Security Framework).…
CVE-2026-46803 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Security Framework).…
CVE-2026-46800 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites).…

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