{"id":"CVE-2026-65832","state":"PUBLISHED","title":"Deskflow - Unauthenticated server-controlled out-of-bounds read in ServerProxy::setOptions / translateKey modifier-table indexing","description":"Deskflow is a keyboard and mouse sharing app. Prior to continuous build 1.26.0.299, a remote unauthenticated Deskflow server can send kMsgDSetOptions (DSOP) values to ServerProxy::setOptions() in src/lib/client/ServerProxy.cpp so that the value following a modifier option poisons m_modifierTranslationTable, after which ServerProxy::translateKey() or ServerProxy::translateModifierMask() indexes the seven-row s_translationTable or s_masks arrays out of bounds, disclosing four bytes at an attacker-selected relative offset or crashing the connected client; an odd option count also causes an out-of-bounds OptionsList read. This issue is fixed in continuous build 1.26.0.299.","publishedAt":"2026-08-17T20:59:08.714Z","updatedAt":"2026-08-18T15:40:26.686Z","severity":{"score":8.2,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["deskflow deskflow"],"affected":[{"vendor":"deskflow","product":"deskflow","versions":[{"version":"< 1.26.0.299","status":"affected"}]}],"references":["https://github.com/deskflow/deskflow/security/advisories/GHSA-8rcq-7w87-h64j","https://github.com/deskflow/deskflow/commit/205a3c803e5298d56683660736ec1a41b671b56e","https://github.com/deskflow/deskflow/commit/8266fbbe6af93fa370018886c7f1f35d2cee8b3f"],"weaknesses":["CWE-125","CWE-129"],"ingestedAt":"2026-10-29T20:12:41.951Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/65xxx/CVE-2026-65832.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-65832","state":"PUBLISHED","datePublished":"2026-08-17T20:59:08.714Z","dateUpdated":"2026-08-18T15:40:26.686Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-07-22T23:16:47.753Z"},"containers":{"cna":{"title":"Deskflow - Unauthenticated server-controlled out-of-bounds read in ServerProxy::setOptions / translateKey modifier-table indexing","descriptions":[{"lang":"en","value":"Deskflow is a keyboard and mouse sharing app. Prior to continuous build 1.26.0.299, a remote unauthenticated Deskflow server can send kMsgDSetOptions (DSOP) values to ServerProxy::setOptions() in src/lib/client/ServerProxy.cpp so that the value following a modifier option poisons m_modifierTranslationTable, after which ServerProxy::translateKey() or ServerProxy::translateModifierMask() indexes the seven-row s_translationTable or s_masks arrays out of bounds, disclosing four bytes at an attacker-selected relative offset or crashing the connected client; an odd option count also causes an out-of-bounds OptionsList read. This issue is fixed in continuous build 1.26.0.299."}],"affected":[{"vendor":"deskflow","product":"deskflow","versions":[{"version":"< 1.26.0.299","status":"affected"}]}],"references":[{"url":"https://github.com/deskflow/deskflow/security/advisories/GHSA-8rcq-7w87-h64j","name":"https://github.com/deskflow/deskflow/security/advisories/GHSA-8rcq-7w87-h64j","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/deskflow/deskflow/commit/205a3c803e5298d56683660736ec1a41b671b56e","name":"https://github.com/deskflow/deskflow/commit/205a3c803e5298d56683660736ec1a41b671b56e","tags":["x_refsource_MISC"]},{"url":"https://github.com/deskflow/deskflow/commit/8266fbbe6af93fa370018886c7f1f35d2cee8b3f","name":"https://github.com/deskflow/deskflow/commit/8266fbbe6af93fa370018886c7f1f35d2cee8b3f","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.2,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-125","lang":"en","description":"CWE-125: Out-of-bounds Read","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-129","lang":"en","description":"CWE-129: Improper Validation of Array Index","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-08-17T20:59:08.714Z"},"source":{"advisory":"GHSA-8rcq-7w87-h64j","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/deskflow/deskflow/security/advisories/GHSA-8rcq-7w87-h64j","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-18T15:39:52.545538Z","id":"CVE-2026-65832","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-18T15:40:26.686Z"}}]}}}