CVE-2026-41202— ci4ms Backup::restore is vulnerable to Zip Slip leading to RCE
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I. Basic Information for CVE-2026-41202
Vulnerability Information
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Vulnerability Title
ci4ms Backup::restore is vulnerable to Zip Slip leading to RCE
Source: NVD (National Vulnerability Database)
Vulnerability Description
CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. Prior to version 0.31.5.0, ci4ms Backup::restore extracts user uploaded ZIP archives without validating entry names, allowing an authenticated backend user with the backup create permission to write files to arbitrary filesystem locations (Zip Slip) and achieve remote code execution by dropping a PHP file under the public web root. This issue has been patched in version 0.31.5.0.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: NVD (National Vulnerability Database)
Vulnerability Title
CI4MS 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CI4MS是Ci4MS开源的一个博客页面管理工具。 CI4MS 0.31.5.0之前版本存在路径遍历漏洞，该漏洞源于Backup::restore提取用户上传的ZIP归档时未验证条目名称，可能导致具有备份创建权限的认证用户写入任意文件系统位置并实现远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| ci4-cms-erp | ci4ms | < 0.31.5.0 | - |
II. Public POCs for CVE-2026-41202
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|---|
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- Release Release v0.31.5.0 · ci4-cms-erp/ci4ms · GitHubx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2026-41202
Same Patch Batch · ci4-cms-erp · 2026-05-07 · 6 CVEs total
| CVE-2026-41201 | 9.1 CRITICAL | CI4MS: Backup Management Full Account Takeover for All-Roles & Privilege-Escalation via St |
| CVE-2026-41890 | CI4MS: Arbitrary Database Table Drop via Theme deleteProcess | |
| CVE-2026-41203 | ci4ms Theme::upload is vulnerable to Zip Slip leading to RCE | |
| CVE-2026-41587 | CI4MS: Unrestricted PHP File Upload via Theme Installation Leads to Authenticated Remote C | |
| CVE-2026-41891 | CI4MS: Deactivated User Session Bypass (active=0) |
IV. Related Vulnerabilities
Same product: ci4ms
- CVE-2026-41891
CI4MS: Deactivated User Session Bypass (active=0) - CVE-2026-41890
CI4MS: Arbitrary Database Table Drop via Theme deleteProcess - CVE-2026-41203
ci4ms Theme::upload is vulnerable to Zip Slip leading to RCE - CVE-2026-41201
CI4MS: Backup Management Full Account Takeover for All-Roles - CVE-2026-41587
CI4MS: Unrestricted PHP File Upload via Theme Installation L
Same vendor: ci4-cms-erp
- CVE-2026-41891
CI4MS: Deactivated User Session Bypass (active=0) - CVE-2026-41890
CI4MS: Arbitrary Database Table Drop via Theme deleteProcess - CVE-2026-41203
ci4ms Theme::upload is vulnerable to Zip Slip leading to RCE - CVE-2026-41201
CI4MS: Backup Management Full Account Takeover for All-Roles - CVE-2026-41587
CI4MS: Unrestricted PHP File Upload via Theme Installation L
Same weakness: CWE-22
- CVE-2026-8274
npitre cramfs-tools Directory cramfsck.c do_directory path t - CVE-2022-50956
WordPress Plugin amministrazione-aperta 3.7.3 Local File Rea - CVE-2026-8215
Industrial Application Software IAS Canias ERP RMI iasReques - CVE-2026-42605
AzuraCast: Path Traversal in `currentDirectory` Parameter En - CVE-2026-42574
apko dirFS has a symlink-following path traversal that allow
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