CVE-2026-7201: CWE-639: Authorization Bypass Through User-Controlled Key in web services in Progress Sitefinity

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-02 · updated 2026-07-22
Weakness: CWE-639

Description

CWE-639: Authorization Bypass Through User-Controlled Key in web services in Progress Sitefinity 15.2.x before 15.2.8441, 15.3.x before 15.3.8531, and 15.4.x before 15.4.8630 allows a remote authenticated attacker to modify account properties of other users, potentially leading to account compromise. Successful exploitation requires knowledge of values that are not generally exposed to low-privileged users.

Affected products

Progress Software Corporation Sitefinity: from 15.2.8400 before 15.2.8441; from 15.3.8500 before 15.3.8531; from 15.4.8600 before 15.4.8630 — fixed in 15.2.8441, 15.3.8531, 15.4.8630

How to fix

Upgrade to a fixed version: Progress Software Corporation Sitefinity 15.2.8441, 15.3.8531, 15.4.8630. Check the vendor advisory for mitigations.

References

https://community.progress.com/s/article/Sitefinity-Security-Advisory-for-Addressing-Security-Vulnerabilities-CVE-2026-7312-CVE-2026-7198-CVE-2026-7195-CVE-2026-7201-CVE-2026-7313-May-2026

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