Logo
-

Byte Open Security

(ByteOS Network)

Log In

Sign Up

ByteOS

Security
Vulnerability Details
Registries
Custom Views
Weaknesses
Attack Patterns
Filters & Tools
Vulnerability Details :

CVE-2026-41891

Summary
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
Published At-07 May, 2026 | 03:24
Updated At-07 May, 2026 | 03:24
Rejected At-
Credits

CI4MS: Deactivated User Session Bypass (active=0)

CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. From version 0.26.0 to before version 0.31.8.0, the auth filter has the deactivated/banned user check commented out. This issue has been patched in version 0.31.8.0.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:GitHub_M
Assigner Org ID:a0819718-46f1-4df5-94e2-005712e83aaa
Published At:07 May, 2026 | 03:24
Updated At:07 May, 2026 | 03:24
Rejected At:
▼CVE Numbering Authority (CNA)
CI4MS: Deactivated User Session Bypass (active=0)

CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. From version 0.26.0 to before version 0.31.8.0, the auth filter has the deactivated/banned user check commented out. This issue has been patched in version 0.31.8.0.

Affected Products
Vendor
ci4-cms-erp
Product
ci4ms
Versions
Affected
  • >= 0.26.0, < 0.31.8.0
Problem Types
TypeCWE IDDescription
CWECWE-613CWE-613: Insufficient Session Expiration
Type: CWE
CWE ID: CWE-613
Description: CWE-613: Insufficient Session Expiration
Metrics
VersionBase scoreBase severityVector
4.05.3MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Version: 4.0
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://github.com/ci4-cms-erp/ci4ms/security/advisories/GHSA-5hfv-c864-qcq9
x_refsource_CONFIRM
https://github.com/ci4-cms-erp/ci4ms/releases/tag/0.31.8.0
x_refsource_MISC
Hyperlink: https://github.com/ci4-cms-erp/ci4ms/security/advisories/GHSA-5hfv-c864-qcq9
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/ci4-cms-erp/ci4ms/releases/tag/0.31.8.0
Resource:
x_refsource_MISC
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security-advisories@github.com
Published At:07 May, 2026 | 04:16
Updated At:07 May, 2026 | 04:16

CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. From version 0.26.0 to before version 0.31.8.0, the auth filter has the deactivated/banned user check commented out. This issue has been patched in version 0.31.8.0.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.05.3MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/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
Type: Secondary
Version: 4.0
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/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
CPE Matches

Weaknesses
CWE IDTypeSource
CWE-613Primarysecurity-advisories@github.com
CWE ID: CWE-613
Type: Primary
Source: security-advisories@github.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://github.com/ci4-cms-erp/ci4ms/releases/tag/0.31.8.0security-advisories@github.com
N/A
https://github.com/ci4-cms-erp/ci4ms/security/advisories/GHSA-5hfv-c864-qcq9security-advisories@github.com
N/A
Hyperlink: https://github.com/ci4-cms-erp/ci4ms/releases/tag/0.31.8.0
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/ci4-cms-erp/ci4ms/security/advisories/GHSA-5hfv-c864-qcq9
Source: security-advisories@github.com
Resource: N/A

Change History

0
Information is not available yet

Similar CVEs

3Records found

CVE-2026-34570
Matching Score-6
Assigner-GitHub, Inc.
ShareView Details
Matching Score-6
Assigner-GitHub, Inc.
CVSS Score-8.8||HIGH
EPSS-0.03% / 10.28%
||
7 Day CHG~0.00%
Published-01 Apr, 2026 | 21:30
Updated-06 Apr, 2026 | 18:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
CI4MS: Account Deletion Module Full Persistent Unauthorized Access for All‑Roles via Improper Session Invalidation (Logic Flaw)

CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. Prior to version 0.31.0.0, the application fails to immediately revoke active user sessions when an account is deleted. Due to a logic flaw in the backend design, account state changes are enforced only during authentication (login), not for already-established sessions. The system implicitly assumes that authenticated users remain trusted for the lifetime of their session. There is no session expiration or account expiration mechanism in place, causing deleted accounts to retain indefinite access until the user manually logs out. This behavior breaks the intended access control policy and results in persistent unauthorized access. This issue has been patched in version 0.31.0.0.

Action-Not Available
Vendor-ci4-cms-erpci4-cms-erp
Product-ci4msci4ms
CWE ID-CWE-1254
Incorrect Comparison Logic Granularity
CWE ID-CWE-284
Improper Access Control
CWE ID-CWE-613
Insufficient Session Expiration
CVE-2026-34572
Matching Score-6
Assigner-GitHub, Inc.
ShareView Details
Matching Score-6
Assigner-GitHub, Inc.
CVSS Score-8.8||HIGH
EPSS-0.10% / 26.41%
||
7 Day CHG+0.01%
Published-01 Apr, 2026 | 21:35
Updated-06 Apr, 2026 | 16:32
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
CI4MS: Account Deactivation Module Full Persistent Unauthorized Access for All‑Roles via Improper Session Invalidation (Logic Flaw)

CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. Prior to version 0.31.0.0, the application fails to immediately revoke active user sessions when an account is deactivated. Due to a logic flaw in the backend design, account state changes are enforced only during authentication (login), not for already-established sessions. The system implicitly assumes that authenticated users remain trusted for the lifetime of their session. There is no session expiration or account expiration mechanism in place, causing deactivated accounts to retain indefinite access until the user manually logs out. This behavior breaks the intended access control policy and results in persistent unauthorized access, representing a critical security flaw. This issue has been patched in version 0.31.0.0.

Action-Not Available
Vendor-ci4-cms-erpci4-cms-erp
Product-ci4msci4ms
CWE ID-CWE-1254
Incorrect Comparison Logic Granularity
CWE ID-CWE-284
Improper Access Control
CWE ID-CWE-613
Insufficient Session Expiration
CVE-2025-10223
Matching Score-4
Assigner-15ede60e-6fda-426e-be9c-e788f151a377
ShareView Details
Matching Score-4
Assigner-15ede60e-6fda-426e-be9c-e788f151a377
CVSS Score-5.3||MEDIUM
EPSS-0.05% / 14.92%
||
7 Day CHG~0.00%
Published-10 Sep, 2025 | 12:35
Updated-08 Oct, 2025 | 12:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Improper Session Cleanup on Role Removal in Web Admin Panel in AxxonSoft Axxon One (C-Werk)

Insufficient Session Expiration (CWE-613) in the Web Admin Panel in AxxonSoft Axxon One (C-Werk) prior to 2.0.3 on Windows allows a local or remote authenticated attacker to retain access with removed privileges via continued use of an unexpired session token until natural expiration.

Action-Not Available
Vendor-axxonsoftAxxonSoft
Product-axxon_oneAxxonOne C-Werk
CWE ID-CWE-613
Insufficient Session Expiration
Details not found