La Suite Docs through 6.0.0 Authorization Bypass via Comment Thread Creation

Advisories

La Suite Docs through 6.0.0 Authorization Bypass via Comment Thread Creation

Severity: low
Date: 10/15/2026
Affecting: docs <= 6.0.0
CVE: CVE-2026-111169
CWE: CWE-639 Authorization Bypass Through User-Controlled Key
CVSS: 2.3
CVSS V4 Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
References: https://github.com/suitenumerique/docs/pull/2838
https://github.com/suitenumerique/docs/blob/dbf8fece4e72292443dc71ff173593551203d011/src/backend/core/api/permissions.py#L178-L182
https://github.com/suitenumerique/docs/blob/dbf8fece4e72292443dc71ff173593551203d011/src/backend/core/api/viewsets.py#L3278-L3282
https://github.com/suitenumerique/docs/blob/dbf8fece4e72292443dc71ff173593551203d011/src/backend/core/api/serializers.py#L929-L931
https://github.com/suitenumerique/docs
Credit: Mansurzhan Mavlankulov
Description: La Suite Docs through 6.0.0 contains an authorization bypass vulnerability that allows authenticated users to write comments into threads of documents they cannot access. Attackers who know a thread UUID can route a POST comment request through their own document's resource_id, inserting comments into another document's thread without access.

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