CVE-2026-77523

Summary

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 Software

Weaknesses

• CWE-639: CWE-639: Authorization Bypass Through User-Controlled Key

References

• https://github.com/1Panel-dev/MaxKB/security/advisories/GHSA-g888-8cvh-9284

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