Auth bypass in Progress Sitefinity

CVE-2026-7201

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.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (43.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 43.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-7201: held from 0.003 to 0.005.

EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-7201?
CVE-2026-7201 is a high-severity vulnerability in Progress Sitefinity, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.8/10. Published 2026-06-02.
How severe is CVE-2026-7201?
High severity. CVSS v3 base score is 8.8 out of 10.