Vulnerability Description
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.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/flextype/flextype
- https://github.com/flextype/flextype/blob/v1.0.0-alpha.3/src/flextype/core/Entri
- https://github.com/flextype/flextype/issues/596
- https://www.vulncheck.com/advisories/flextype-cms-through-1.0.0-alpha.3-path-tra
- https://github.com/flextype/flextype/issues/596
FAQ
What is CVE-2026-91751?
CVE-2026-91751 is a vulnerability with a CVSS score of 8.3 (HIGH). 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 direc...
How severe is CVE-2026-91751?
CVE-2026-91751 has been rated HIGH with a CVSS base score of 8.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-91751?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.