CVE-2026-84204

GROWI through 8.0.2 Missing Authorization on apiv3 Attachment Retrieval

MEDIUM
6.5
CVSS Score
Published: September 1, 2026 at 03:18 PM UTC
Updated: September 8, 2026 at 08:29 PM UTC
1 product affected across 1 vendorGROWI

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 8.0.2

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-862

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