{"id":"CVE-2026-84204","aliases":["EUVD-2026-69291","GHSA-vphg-3vmw-2vv6"],"status":"published","title":"GROWI through 8.0.2 Missing Authorization on apiv3 Attachment Retrieval","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.","severity":{"version":"4.0","score":7.1,"vector":"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00415,"percentile":0.36268,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2026-09-01T15:18:58Z","modified":"2026-10-28T02:30:47Z","products":[{"vendor":"growi, inc.","product":"growi"},{"vendor":"growilabs","product":"growi"}],"references":[{"url":"https://github.com/growilabs/growi","tags":["product","package"]},{"url":"https://github.com/growilabs/growi/pull/11810","tags":["patch","issue-tracking","fix"]},{"url":"https://github.com/growilabs/growi/commit/d298e0b1dbbf568c99db657fa0f7e90f72ddc59b","tags":["patch","fix"]},{"url":"https://github.com/growilabs/growi/blob/v8.0.2/apps/app/src/server/routes/apiv3/attachment.js","tags":["technical-description","article"]},{"url":"https://www.vulncheck.com/advisories/growi-through-8.0.2-missing-authorization-on-apiv3-attachment-retrieval","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-84204","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-vphg-3vmw-2vv6"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/84xxx/CVE-2026-84204.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-84204","title":"GROWI through 8.0.2 Missing Authorization on apiv3 Attachment Retrieval","description":"GROWI contains an access control vulnerability in the GET /_api/v3/attachment/:id endpoint that fails to validate page access permissions. 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