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CVE-2026-6272
No affected components available
A client holding only a read JWT scope can still register itself as a signal provider through the production kuksa.val.v2 OpenProviderStream API by sending ProvideSignalRequest.
- Obtain any valid token with only read scope.
- Connect to the normal production gRPC API (kuksa.val.v2).
- Open OpenProviderStream.
- Send ProvideSignalRequest for a target signal ID.
- Wait for the broker to forward GetProviderValueRequest.
- Reply with attacker-controlled GetProviderValueResponse.
- Other clients performing GetValue / GetValues for that signal receive forged data.
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.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
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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