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TI-2026-20619 Aliases CVE-2026-25509GHSA-654x-9q7r-g966

CI4MS Vulnerable to User Email Enumeration via Password Reset Flow

Priority MEDIUM 63CWE-204Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-204.

Summary

CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. Prior to version 0.28.5.0, the authentication implementation in CI4MS is vulnerable to email enumeration. An unauthenticated attacker can determine whether an email address is registered in the system by analyzing the application's response during the password reset process. This issue has been patched in version 0.28.5.0.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00387 32nd percentileScored 2026-11-07
Fix Fixed ci4ms (ci4-cms-erp): 0.28.5.0ci4-cms-erp/ci4ms (Packagist): 0.28.5.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ci4-cms-erpci4msbefore 0.28.5.00.28.5.0Patch availableCNA
—ci4-cms-erp/ci4ms (Packagist)before 0.28.5.00.28.5.0Patch availableGHSA-654x-9q7r-g966
  • ci4ms Vendorci4-cms-erp Affected before 0.28.5.0 Fixed in 0.28.5.0 Patch available CNA
  • ci4-cms-erp/ci4ms (Packagist) Vendor— Affected before 0.28.5.0 Fixed in 0.28.5.0 Patch available GHSA-654x-9q7r-g966

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:ci4-cms-erp:ci4ms:*:*:*:*:*:*:*:*before 0.28.5.0Vulnerableci4-cms-erp
  • cpe:2.3:a:ci4-cms-erp:ci4ms:*:*:*:*:*:*:*:* Versions before 0.28.5.0 Vulnerable ·ci4-cms-erp

Remediation

  • Fix · CNA ci4ms (ci4-cms-erp) Fixed in 0.28.5.0
  • Fix · GHSA-654x-9q7r-g966 ci4-cms-erp/ci4ms (Packagist) Fixed in 0.28.5.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-25509
  2. 2026-10-03 Alias added: GHSA-654x-9q7r-g966

References

  • TI-2026-26819 Improper access control in ci4-cms-erp ci4ms CVSS 3.1HIGH 8.8
  • TI-2026-28379 CI4MS has an .env CRLF Injection via Unvalidated `host` Parameter in Install Controller CVSS 3.1CRITICAL 9.8
  • TI-2026-27211 Cross-site scripting in ci4-cms-erp ci4ms CVSS 4.0CRITICAL 9.4
  • TI-2026-26820 Cross-site scripting in ci4-cms-erp ci4ms CVSS 3.1CRITICAL 10.0
  • TI-2026-26818 CI4MS: Blogs Categories Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM XSS CVSS 3.1CRITICAL 10.0
  • TI-2026-27238 Cross-site scripting in ci4-cms-erp ci4ms CVSS 3.1CRITICAL 9.0
See all 26 →

Sources