CVE-2026-79917

MaxKB is an open-source AI assistant for enterprise. In 2.7.0 through 2.10.4-lts, POST /chat/api/applicationid/chat/chatid/sharechat verifies that a conversation exists but does not verify that it belongs to the authenticated chatuserid or to the application bound to the caller's token. An attack...

CVE-2026-79918

MaxKB is an open-source AI assistant for enterprise. Prior to version 2.10.6-lts, the ToolExecutor LDPRELOAD sandbox hooks execve, execvpe, and execveat to prevent subprocess creation but does not hook fexecve. An authenticated attacker able to execute tool code can call fexecve to start a proces...

CVE-2026-79919

MaxKB is an open-source AI assistant for enterprise. Prior to version 2.10.6-lts, function-library code running under the LDPRELOAD sandbox can invoke ctypes.CDLL from an importlib.abc.MetaPathFinder callback so the dlopen call-stack heuristic sees a Python import frame, then use unhooked dlsym...

CVE-2026-79916

MaxKB is an open-source AI assistant for enterprise. Prior to 2.10.5-lts, authenticated workspace members can inject control characters into AWS Bedrock accesskeyid and secretaccesskey fields that updateawscredentials writes to /root/.aws/credentials without safe parsing. An attacker can append a...

CVE-2026-77523

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 workspaceid in the query. An authenticated user with model rea...

CVE-2026-77522

MaxKB is an open-source AI assistant for enterprise. In version 2.10.3-lts and earlier, the knowledge web-document import and synchronization crawler passes an authenticated workspace user's URL to Fork.fork, which calls requests.get with verify=False and without restricting schemes, loopback,...

CVE-2026-77525

MaxKB is an open-source AI assistant for enterprise. In 2.10.2-lts and earlier, management chat-record routes authorize the path applicationid but load records using global chatid and chatrecordid values without confirming that the chat belongs to the authorized application. A normal user in the...

CVE-2026-77516

MaxKB is an open-source AI assistant for enterprise. From version 2.0.0 through 2.9.2, a lowest-role workspace member denied access to a tool by WorkspaceUserResourcePermission can still bind its identifier through toolids, skilltoolids, or mcptoolids and execute it through the agent or workflow...

CVE-2026-77519

MaxKB is an open-source AI assistant for enterprise. In 2.10.2-lts and earlier, the /chat/api/mcp authentication path looks up an ApplicationApiKey using only its secret and active status, without enforcing the ispermanent and expiretime checks used by the standard chat API. A previously valid,...

CVE-2026-77521

MaxKB is an open-source AI assistant for enterprise. Prior to version 2.10.5-lts, assistants with a tool, MCP tool, skill, or sub-application use SandboxShellBackend, which exposes an execute shell tool without excluding it and omits execute from interrupton, so human approval is not required...

CVE-2026-77517

MaxKB is an open-source AI assistant for enterprise. From version 2.0.0 through 2.10.2-lts, document and paragraph operate routes authorize only knowledgeid in the request path, then query the target Document by documentid or Paragraph by paragraphid without confirming that the object belongs to...

CVE-2026-77520

MaxKB is an open-source AI assistant for enterprise. In 2.10.2-lts and earlier, a normal user in the same workspace can obtain another user's applicationid from the homepage application question-ranking endpoint when the published victim application has ranking activity in the selected date range...

CVE-2026-77518

MaxKB is an open-source AI assistant for enterprise. In 2.10.2-lts and earlier, a normal workspace user who knows another user's active MCP toolid in the same workspace can retrieve the hidden tool through the tool-detail route because it does not apply the per-resource authorization used by the...

CVE-2026-79919

MaxKB , an open-source enterprise AI assistant, has a sandbox-escape vulnerability in its function-library code prior to version 2.10.6-lts . Attackers can bypass the LD_PRELOAD sandbox by invoking ctypes.CDLL from an importlib.abc.MetaPathFinder callback—causing the dlopen call-stack heuristic t...

CVE-2026-79919 MaxKB function-library sandbox escape: dlopen stack-check bypass via importlib meta-path callbacks and unhooked dlsym(RTLD_NEXT)

MaxKB is an open-source AI assistant for enterprise. Prior to version 2.10.6-lts, function-library code running under the LDPRELOAD sandbox can invoke ctypes.CDLL from an importlib.abc.MetaPathFinder callback so the dlopen call-stack heuristic sees a Python import frame, then use unhooked dlsym...

CVE-2026-79918 MaxKB: Sandbox escape via unhooked fexecve

MaxKB is an open-source AI assistant for enterprise. Prior to version 2.10.6-lts, the ToolExecutor LDPRELOAD sandbox hooks execve, execvpe, and execveat to prevent subprocess creation but does not hook fexecve. An authenticated attacker able to execute tool code can call fexecve to start a proces...

CVE-2026-79918 MaxKB: Sandbox escape via unhooked fexecve

MaxKB is an open-source AI assistant for enterprise. Prior to version 2.10.6-lts, the ToolExecutor LDPRELOAD sandbox hooks execve, execvpe, and execveat to prevent subprocess creation but does not hook fexecve. An authenticated attacker able to execute tool code can call fexecve to start a proces...

CVE-2026-79918

MaxKB is an open-source enterprise AI assistant. Prior to version 2.10.6-lts , its ToolExecutor LD_PRELOAD sandbox hooks execve, execvpe, and execveat to prevent subprocess creation but does not hook fexecve. An authenticated attacker able to execute tool code can call fexecve to start a process ...

CVE-2026-77517 MaxKB cross-knowledge IDOR lets a normal user read and modify documents and paragraphs in another knowledge base

MaxKB is an open-source AI assistant for enterprise. From version 2.0.0 through 2.10.2-lts, document and paragraph operate routes authorize only knowledgeid in the request path, then query the target Document by documentid or Paragraph by paragraphid without confirming that the object belongs to...

CVE-2026-77517

MaxKB (open-source enterprise AI assistant) is affected by a cross-knowledge IDOR vulnerability (CVSS 5.4, MEDIUM) in versions 2.0.0 through 2.10.2-lts . The document and paragraph operate routes authorize only the knowledge_id in the request path, then query the target Document or Paragraph by i...