CVE-2026-88897

MEDIUM 5.9

Flextype CMS through 1.0.0-alpha.3 API Token Exposure via Query String

CVSS Score

5.9

EPSS Score

0.0%

EPSS Percentile

0th

Flextype CMS through 1.0.0-alpha.3 accepts API authentication credentials through URL query string parameters in REST API routes. Attackers with access to web server, proxy, or monitoring logs can recover valid API token pairs that grant full API access.

CWE	CWE-598
Vendor	flextype
Product	flextype
Published	Sep 10, 2026
Last Updated	Sep 15, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Affected Versions

flextype / flextype

0 ≤ 1.0.0-alpha.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/flextype/flextype/issues/598 github.com: https://github.com/flextype/flextype github.com: https://github.com/flextype/flextype/blob/v1.0.0-alpha.3/src/flextype/core/Endpoints/Api.php vulncheck.com: https://www.vulncheck.com/advisories/flextype-cms-through-1.0.0-alpha.3-api-token-exposure-via-query-string

Credits

Ali Khafagy