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.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
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

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-01 16:17

Updated : 2026-09-08 20:18

NVD link : CVE-2026-84204

Mitre link : CVE-2026-84204

CVE.ORG link : CVE-2026-84204

JSON object : View

Products Affected

No product.

CWE

CWE-862

Missing Authorization

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