{"id":"CVE-2026-54640","state":"PUBLISHED","title":"OpenRemote: XXE in KNXProtocol.startAssetImport() allows arbitrary file read via unprotected XMLInputFactory","description":"OpenRemote is an open-source internet-of-things platform. Prior to 1.24.2, the KNXProtocol.startAssetImport method in agent/src/main/java/org/openremote/agent/protocol/knx/KNXProtocol.java processes 0.xml from an authenticated user's uploaded ETS project ZIP with Saxon TransformerFactoryImpl and XMLInputFactory parsers that permit external entity resolution. This incomplete remediation of CVE-2026-40882 leaves the KNX handler unprotected while the parallel Velbus handler is hardened, allowing a regular realm user to read files accessible to the JVM process or cause server-side requests. This issue is fixed in version 1.24.2.","publishedAt":"2026-10-13T16:02:21.245Z","updatedAt":"2026-10-13T20:22:11.194Z","severity":{"score":7.6,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L","source":"GitHub_M"},"assigner":"GitHub_M","products":["openremote openremote","io.openremote openremote-manager"],"affected":[{"vendor":"openremote","product":"openremote","versions":[{"version":"< 1.24.2","status":"affected"}]},{"vendor":"io.openremote","product":"openremote-manager","versions":[{"version":"< 1.24.2","status":"affected"}]}],"references":["https://github.com/openremote/core/security/advisories/GHSA-7v6w-c3f4-9wpq","https://github.com/openremote/core/commit/c28d3c60ebc2da68d9b6c4a6d7a5ad875a255ee9","https://github.com/openremote/core/releases/tag/1.24.2"],"weaknesses":["CWE-611"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/54xxx/CVE-2026-54640.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-54640","state":"PUBLISHED","datePublished":"2026-10-13T16:02:21.245Z","dateUpdated":"2026-10-13T20:22:11.194Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-15T20:16:46.198Z"},"containers":{"cna":{"title":"OpenRemote: XXE in KNXProtocol.startAssetImport() allows arbitrary file read via unprotected XMLInputFactory","descriptions":[{"lang":"en","value":"OpenRemote is an open-source internet-of-things platform. Prior to 1.24.2, the KNXProtocol.startAssetImport method in agent/src/main/java/org/openremote/agent/protocol/knx/KNXProtocol.java processes 0.xml from an authenticated user's uploaded ETS project ZIP with Saxon TransformerFactoryImpl and XMLInputFactory parsers that permit external entity resolution. This incomplete remediation of CVE-2026-40882 leaves the KNX handler unprotected while the parallel Velbus handler is hardened, allowing a regular realm user to read files accessible to the JVM process or cause server-side requests. This issue is fixed in version 1.24.2."}],"affected":[{"vendor":"openremote","product":"openremote","versions":[{"version":"< 1.24.2","status":"affected"}]},{"vendor":"io.openremote","product":"openremote-manager","versions":[{"version":"< 1.24.2","status":"affected"}]}],"references":[{"url":"https://github.com/openremote/core/security/advisories/GHSA-7v6w-c3f4-9wpq","name":"https://github.com/openremote/core/security/advisories/GHSA-7v6w-c3f4-9wpq","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/openremote/core/commit/c28d3c60ebc2da68d9b6c4a6d7a5ad875a255ee9","name":"https://github.com/openremote/core/commit/c28d3c60ebc2da68d9b6c4a6d7a5ad875a255ee9","tags":["x_refsource_MISC"]},{"url":"https://github.com/openremote/core/releases/tag/1.24.2","name":"https://github.com/openremote/core/releases/tag/1.24.2","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":7.6,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-611","lang":"en","description":"CWE-611: Improper Restriction of XML External Entity Reference","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-10-13T16:02:21.245Z"},"source":{"advisory":"GHSA-7v6w-c3f4-9wpq","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-13T20:13:04.358426Z","id":"CVE-2026-54640","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-13T20:22:11.194Z"}}]}}}