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CVSS 9.6 · CRITICAL

CVE-2026-8715Credential exfiltration in Vault Secrets Operator

Vault Secrets Operator 1.3.0 up to 1.4.1 is vulnerable to an arbitrary file read and credential exfiltration issue in the AppRole authentication configuration that may allow a tenant with limited Kubernetes RBAC permissions to read files from the operator pod's filesystem and transmit their contents to a tenant-controlled endpoint, potentially leading to privilege escalation within the cluster. This vulnerability (CVE-2026-8715) is fixed in Vault Secrets Operator 1.5.0.

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Analysis

A critical vulnerability in Vault Secrets Operator (versions 1.3.0 to 1.4.1) allows attackers with limited Kubernetes RBAC permissions to read files and exfiltrate credentials from the operator's pod. This could lead to full privilege escalation within the cluster.

Relevant roles

KubernetesCloudCyberSecurityBackendGo

Severity

Score: 9.6(CRITICAL)
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
AV: NETWORK
AC: LOW
PR: LOW
UI: NONE
S: CHANGED
C: HIGH
I: HIGH
A: NONE
Weakness (CWE): CWE-552

EPSS

No EPSS score yet (CVE may be too fresh).

Technical description

Vault Secrets Operator 1.3.0 up to 1.4.1 is vulnerable to an arbitrary file read and credential exfiltration issue in the AppRole authentication configuration that may allow a tenant with limited Kubernetes RBAC permissions to read files from the operator pod's filesystem and transmit their contents to a tenant-controlled endpoint, potentially leading to privilege escalation within the cluster. This vulnerability (CVE-2026-8715) is fixed in Vault Secrets Operator 1.5.0.

Published: 8/13/2026, 9:18:32 PM
Last modified: 8/14/2026, 5:17:00 AM

References

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