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NVD description
External Secrets Operator reads information from a third-party service and automatically injects the values as Kubernetes Secrets. Prior to 2.4.1, a user who only has permission to create ExternalSecret resources can cause the operator to create a Secret that Kubernetes will automatically populate with a long-lived token for the specified service account. This effectively allows the user to impersonate any service account in the namespace without needing direct create permissions on TokenRequest or Secrets of that type. This vulnerability is fixed in 2.4.1.
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
NONE
Momentum
NONE
🟠 external-secrets, privilege escalation, #CVE-2026-42876 (moderate) https://dailycve.com/external-secrets-privilege-escalation-cve-2026-42876-moderate/
Post summary
A concise tweet flags CVE‑2026‑42876 as a moderate privilege‑escalation flaw affecting external‑secrets with a link to more details, but offers no evidence of exploitation or remediation steps.