CVE-2026-91751
Flextype CMS through 1.0.0-alpha.3 Path Traversal via Entries REST API
CVSS Score
8.3
EPSS Score
0.3%
EPSS Percentile
28th
Flextype CMS through 1.0.0-alpha.3 fails to properly validate id and new_id parameters in the Entries REST API, allowing API token holders to read, create, or overwrite files outside the entries directory. Attackers can use traversal sequences in API requests to escape the project entries directory and manipulate arbitrary files and directories on the filesystem.
| CWE | CWE-22 |
| Vendor | flextype |
| Product | flextype |
| Published | Sep 15, 2026 |
| Last Updated | Sep 15, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
High
Availability
High
Affected Versions
flextype / flextype
0 ≤ 1.0.0-alpha.3
References
github.com: https://github.com/flextype/flextype/issues/596 github.com: https://github.com/flextype/flextype github.com: https://github.com/flextype/flextype/blob/v1.0.0-alpha.3/src/flextype/core/Entries/Entries.php#L856-L906 vulncheck.com: https://www.vulncheck.com/advisories/flextype-cms-through-1.0.0-alpha.3-path-traversal-via-entries-rest-api
Credits
🔍 Vimalatithyann S