CVE-2026-39389: ci4-cms-erp ci4ms · Improper Authorization
Affects ci4-cms-erp ci4msSource CVE Database V5
Not known to be exploited · CVSS 6.7 Medium : upgrade to 0.31.4.0 when convenient.
Data as of 26 Oct 2026, 10:12 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 40% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 0.31.4.0
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:LExploitation evidence
Disclosed: evidence found.
CVE published 8 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade ci4ms and ci4-cms-erp/ci4ms to 0.31.4.0.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| ci4-cms-erpci4ms | Affected
| Fixed in
|
GitHubci4-cms-erp/ci4mspkg:github/ci4-cms-erp/ci4msOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Upgrade ci4ms to version 0.31.4.0 or later, where this vulnerability is fixed. Since the vendor advisory does not specify alternative mitigations, applying the official fix is the recommended remediation. No additional temporary mitigations are provided.
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.