CVE-2026-8715: Vault Secrets Operator vulnerable to arbitrary file read and credential exfiltration via AppRole secretIDPath

Severity: critical (CVSS 9.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-13 · updated 2026-08-28
Weakness: CWE-552

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.

Affected products

HashiCorp Tooling: from 1.3.0 before 1.5.0 — fixed in 1.5.0

How to fix

Upgrade to a fixed version: HashiCorp Tooling 1.5.0. Check the vendor advisory for mitigations.

References

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