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CVE-2026-48062 CodeIgniter: Uploaded file extension validation bypass in `ext_in` rule

🗓️ 17 Jul 2026 20:36:29Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 8 Views

CodeIgniter 4.7.3 fixes ext_in bypass that allowed uploads despite GIF mime.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-48062
17 Jul 202620:36
attackerkb
Circl
CVE-2026-48062
7 Jul 202618:06
circl
CVE
CVE-2026-48062
17 Jul 202620:36
cve
EUVD
EUVD-2026-45325
17 Jul 202620:36
euvd
Github Security Blog
CodeIgniter4 has a validation bypass when uploading file extensions via `ext_in` rule
11 Jun 202617:16
github
NVD
CVE-2026-48062
17 Jul 202621:17
nvd
OSV
GHSA-2GR4-PPC7-7MHX CodeIgniter4 has a validation bypass when uploading file extensions via `ext_in` rule
11 Jun 202617:16
osv
Positive Technologies
PT-2026-48810
11 Jun 202600:00
ptsecurity
Snyk
Arbitrary File Upload
11 Jun 202617:16
snyk
[
  {
    "vendor": "codeigniter4",
    "product": "CodeIgniter4",
    "versions": [
      {
        "version": "< 4.7.3",
        "status": "affected"
      }
    ]
  }
]

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