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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-63222
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-31 06:16:31 UTC
Updated2026-07-31 16:17:08 UTC
DescriptionCodeIgniter is a PHP full-stack web framework. Prior to 4.7.4, calling UploadedFile::move() without a second argument uses the client-provided filename without sanitization, allowing a remote attacker to use path traversal sequences to write uploaded content outside the intended directory when the application exposes an upload path. This issue is fixed in version 4.7.4.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS: 0.004500000 probability, percentile 0.369100000 (date 2026-08-01)

Problem Types: CWE-22 | CWE-22 CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
3.1CNADECLARED7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Codeigniter4 CodeIgniter4 affected < 4.7.4 Not specified

References

ReferenceSourceLinkTags
github.com/codeigniter4/CodeIgniter4/commit/20ebcf4694d96d3c97fbc3938e36... [email protected] github.com
github.com/codeigniter4/CodeIgniter4/security/advisories/GHSA-hhmc-q9hp-... [email protected] github.com
github.com/codeigniter4/CodeIgniter4/releases/tag/v4.7.4 [email protected] github.com
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