{"id":"CVE-2026-77523","state":"PUBLISHED","title":"MaxKB: Cross-workspace model parameter form write","description":"MaxKB is an open-source AI assistant for enterprise. In version 2.10.3-lts and earlier, the model parameter form route authorizes the path workspace but ModelSerializer.ModelParams loads and saves a Model by id alone without including workspace_id in the query. An authenticated user with model read permission in an attacker-controlled workspace can supply a known victim model_id to read or overwrite the victim's model_params_form in another workspace, potentially altering workflows that use those defaults. No fixed version is available as of this review.","publishedAt":"2026-09-21T20:39:36.806Z","updatedAt":"2026-09-22T13:33:00.363Z","severity":{"score":7.4,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L","source":"GitHub_M"},"assigner":"GitHub_M","products":["1Panel-dev MaxKB"],"affected":[{"vendor":"1Panel-dev","product":"MaxKB","versions":[{"version":"<= 2.10.3-lts","status":"affected"}]}],"references":["https://github.com/1Panel-dev/MaxKB/security/advisories/GHSA-g888-8cvh-9284"],"weaknesses":["CWE-639"],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/77xxx/CVE-2026-77523.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-77523","state":"PUBLISHED","datePublished":"2026-09-21T20:39:36.806Z","dateUpdated":"2026-09-22T13:33:00.363Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-08-20T20:23:02.508Z"},"containers":{"cna":{"title":"MaxKB: Cross-workspace model parameter form write","descriptions":[{"lang":"en","value":"MaxKB is an open-source AI assistant for enterprise. In version 2.10.3-lts and earlier, the model parameter form route authorizes the path workspace but ModelSerializer.ModelParams loads and saves a Model by id alone without including workspace_id in the query. An authenticated user with model read permission in an attacker-controlled workspace can supply a known victim model_id to read or overwrite the victim's model_params_form in another workspace, potentially altering workflows that use those defaults. No fixed version is available as of this review."}],"affected":[{"vendor":"1Panel-dev","product":"MaxKB","versions":[{"version":"<= 2.10.3-lts","status":"affected"}]}],"references":[{"url":"https://github.com/1Panel-dev/MaxKB/security/advisories/GHSA-g888-8cvh-9284","name":"https://github.com/1Panel-dev/MaxKB/security/advisories/GHSA-g888-8cvh-9284","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":7.4,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-639","lang":"en","description":"CWE-639: Authorization Bypass Through User-Controlled Key","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-09-21T20:39:36.806Z"},"source":{"advisory":"GHSA-g888-8cvh-9284","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-22T13:32:53.226741Z","id":"CVE-2026-77523","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":"2026-09-22T13:33:00.363Z"}}]}}}