CVE-2026-84204
GROWI contains an access control vulnerability in the GET /_api/v3/attachment/:id endpoint that fails to validate page access permissions. Authenticated attackers can retrieve attachment metadata from pages they cannot view by supplying known attachment identifiers.
Weakness
GROWI contains an access control vulnerability in the GET /_api/v3/attachment/:id endpoint that fails to validate page access permissions. Authenticated attackers can retrieve attachment metadata from pages they cannot view by supplying known attachment identifiers.
References
- https://github.com/growilabs/growi
- https://github.com/growilabs/growi/blob/v8.0.2/apps/app/src/server/routes/apiv3/attachment.js
- https://github.com/growilabs/growi/commit/d298e0b1dbbf568c99db657fa0f7e90f72ddc59b
- https://github.com/growilabs/growi/pull/11810
- https://www.vulncheck.com/advisories/growi-through-8.0.2-missing-authorization-on-apiv3-attachment-retrieval
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