CVE-2026-84204 json
GROWI through 8.0.2 Missing Authorization on apiv3 Attachment Retrieval
published 2026-09-01 2 mo ago modified 2026-09-08 2 mo ago also EUVD-2026-69291
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 36%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- github.com/growilabs/growi@d298e0b commit
- github.com/growilabs/growi#11810 pull request
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 mo ago
Exploit prediction
0.41% chance of exploitation in the next 30 days, higher than 36% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 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 |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| CNA | 4.0 | 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
Affected products
- growilabs growi
Classification
- Weakness
-
- CWE-862 Missing Authorization
References
-
github.com
/growilabs/growi/pull/11810
patch, issue-tracking
-
github.com
/growilabs/growi/commit/d298e0b1dbbf568c99db657fa0f7e90f72ddc59b
patch
-
github.com
/growilabs/growi
product
-
github.com
/growilabs/growi/blob/v8.0.2/apps/app/src/server/routes/apiv3/attachment.js
technical-description
-
vulncheck.com
/advisories/growi-through-8.0.2-missing-authorization-on-apiv3-attachment-retrieval
third-party-advisory
Sources
- CVE List CVE-2026-84204
- NVD CVE-2026-84204
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.