CVE-2026-103474

See a problem?
Please try reporting it to the source first.

Source

https://cve.org/CVERecord?id=CVE-2026-103474

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-103474.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-103474

Published

2026-09-30T17:22:41Z

Modified

2026-10-02T03:46:59Z

Severity

8.7 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVSS Calculator

Summary

yii2-starter-kit through 4.2.0 Unrestricted File Upload RCE

Details

yii2-starter-kit through 4.2.0 fails to validate file types in the backend storage upload actions, allowing authenticated managers to upload PHP files. Attackers with manager role can upload PHP scripts to the web-accessible storage directory and request them to execute arbitrary code on the server.

Database specific

{
    "cna_assigner":  "VulnCheck",
    "cwe_ids":  [
        "CWE-434"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/103xxx/CVE-2026-103474.json"
}

References

Affected packages

Git / github.com/yii-starter-kit/yii2-starter-kit

Affected ranges

Type

GIT

Repo

https://github.com/yii-starter-kit/yii2-starter-kit

Events

Introduced

Fixed

cc2c451e8c959c7300b04efea597706a38609f58

Database specific

Show details

{
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "last_affected":  "4.2.0"
        },
        {
            "introduced":  "yii2-starter-kit"
        },
        {
            "fixed":  "4.2.0"
        }
    ],
    "source":  [
        "AFFECTED_FIELD",
        "DESCRIPTION"
    ]
}

Affected versions

1.*

1.0.0

1.2.0

1.3.0

1.4.0

1.4.1

1.4.2

1.4.3

1.5.0

1.5.1

2.*

2.0.0

2.0.1

2.0.2

2.1.0

2.1.1

2.1.2

2.1.3

2.2.0

2.2.1

2.2.2

2.3.0

2.3.1

2.3.2

2.5.0

2.5.1

2.5.2

2.6.0

3.*

3.0.0

3.0.1

3.0.3

4.*

4.0.0

4.1.0

v3.*

v3.0.2

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-103474.json"