CVE-2026-84204CWE-862broken-access-control

CVE-2026-84204

Medium · published September 1, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
34.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
7.1 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
EPSS
0.00415 · 34.7th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-09-01T20:17Z
References (5)
https://github.com/growilabs/growi · [email protected]https://github.com/growilabs/growi/blob/v8.0.2/apps/app/src/server/routes/apiv3/attachment.js · [email protected]https://github.com/growilabs/growi/commit/d298e0b1dbbf568c99db657fa0f7e90f72ddc59b · [email protected]https://github.com/growilabs/growi/pull/11810 · [email protected]https://www.vulncheck.com/advisories/growi-through-8.0.2-missing-authorization-on-apiv3-attachment-retrieval · [email protected]
EPSS history
Timeline
  • 03 SEP 03:32Z
    EPSS moved — → 0%
    epss
  • 01 SEP 15:18Z
    GROWI through 8.0.2 Missing Authorization on apiv3 Attachment Retrieval
    cvelistv5