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GHSA-wv26-88m5-6h59
No affected components available
Impact
Namespaced SecretStore resources that used CAProvider with type ConfigMap could resolve CA material from another namespace when caProvider.namespace was set.
This bypassed the namespace boundary enforced for SecretStore-backed references in providers that rely on the shared runtime CA resolver.
The accessible data is used as CA validation material, hence it is not directly exposed.
Impact:
- Direct data exfiltration risk: low
- Existence disclosure: an attacker can infer whether a target ConfigMap/key exists in another namespace.
- Trust-boundary violation: a tenant can make its SecretStore consume CA material owned by another namespace.
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability.
Limited exploitation activity has been observed. Close monitoring and planned remediation are recommended.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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