Vulnerability · Published Apr 8, 2026 · Assigned by GitHub_M
CVE-2026-39389CI4MS has a Hidden Items Authorization Bypass in Fileeditor Allows Reading Secrets and Writing Protected Files
Medium 6.7
In plain English
A medium-severity security flaw in ci4ms from ci4-cms-erp. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.7Medium
Exploit odds (30 days)0.5%top 57.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. Prior to 0.31.4.0, This vulnerability is fixed in 0.31.4.0.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist | ci4-cms-erp/ci4ms | 0.31.4.0 | GHSA-9rxp-f27p-wv3h |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ci4-cms-erp | ci4ms | < 0.31.4.0 |
Weakness: CWE-285 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L
References
- https://github.com/ci4-cms-erp/ci4ms/security/advisories/GHSA-9rxp-f27p-wv3h x_refsource_CONFIRM