[CRITICAL] CodeIgniter: Uploaded file extension validation bypass in `is_image` and `mime_in` rules

PKSA-kcm9-w3rf-jxsk CVE-2026-63223 GHSA-mmj4-63m4-r6h5

Affected version: <4.7.4

Reported by:
GitHub

[HIGH] CodeIgniter: Path traversal in UploadedFile::move() when using client-provided filenames

PKSA-ykyc-889h-7jxf CVE-2026-63222 GHSA-hhmc-q9hp-r662

Affected version: <4.7.4

Reported by:
GitHub

[CRITICAL] CodeIgniter: SQL injection in Query Builder deleteBatch() when used with where() conditions

PKSA-t8h5-ngj8-z43w CVE-2026-63221 GHSA-c9w5-rwh3-7pm9

Affected version: >=4.3.0,<4.7.4

Reported by:
GitHub

[MEDIUM] CodeIgniter: Spoofable forwarded HTTPS headers in IncomingRequest::isSecure()

PKSA-kcc6-gffv-vchj CVE-2026-63220 GHSA-7wmf-pw8j-mc78

Affected version: <4.7.4

Reported by:
GitHub

[CRITICAL] CodeIgniter4 has a validation bypass when uploading file extensions via `ext_in` rule

PKSA-217t-qqjr-nkt3 CVE-2026-48062 GHSA-2gr4-ppc7-7mhx

Affected version: <4.7.2

Reported by:
GitHub