A HIGH-severity vulnerability identified as CVE-2026-14251 has been published on July 15, 2026 with a CVSS base score of 7.7. This security advisory provides a detailed breakdown of the vulnerability, its potential impact, weakness classification, and actionable steps to protect your systems.
Vulnerability Details
CVE ID: CVE-2026-14251
Severity: HIGH
CVSS Score: 7.7
Published: July 15, 2026
Weakness (CWE): CWE-862
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | Low |
| User Interaction | None |
| Confidentiality Impact | None |
| Integrity Impact | None |
| Availability Impact | High |
Technical Description
A flaw was found in the OpenShift GitOps operator. The ClusterRole reconciler does not validate resource ownership when reconciling ClusterRole objects. A namespace-scoped Argo CD instance can trigger deletion of a ClusterRole owned by a cluster-scoped Argo CD instance by crafting a name collision, resulting in a denial of service.
Potential Impact
If exploited, this high-severity vulnerability could allow an attacker to cause a denial of service. Organizations running affected software should treat this as a priority remediation item.
Recommended Action
No official patch is available yet. Until one is released:
- Monitor the official NVD page and vendor channels for patch announcements.
- Restrict access to the affected system or service where possible.
- Apply network-level mitigations such as firewall rules or WAF policies.
- Enable logging and alerting for anomalous activity related to this vulnerability.
- Review your incident response plan in case of active exploitation.
References
Related Security Advisories
- [HIGH] CVE-2026-15541 — CVSS 7.3 (July 13, 2026) — HIGH / CVSS 7.3
- [HIGH] CVE-2026-11912 — CVSS 7.5 (June 20, 2026) — HIGH / CVSS 7.5
- [HIGH] CVE-2026-15583 — CVSS 8.6 (July 15, 2026) — HIGH / CVSS 8.6
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