What is CVE-2026-7198?

CVE-2026-7198 is a critical-severity vulnerability in Progress Sitefinity, classified under Improper Access Control. CVSS score: 9.8/10. Published 2026-06-02.

How severe is CVE-2026-7198?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Progress Sitefinity

CVE-2026-7198

CWE-284: Improper Access Control in web services in Progress Sitefinity 15.4.8623 before 15.4.8630 allows a remote unauthenticated attacker to access content that should be restricted, resulting in full compromise of confidentiality, integrity, and availability of affected installations.

Published 2026-06-02 · last modified 2026-07-22.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (48.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.006 · change: +0.002

Affected products

Progress Sitefinity
Progress Software Sitefinity — versions 15.4.8623

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

community.progress.com/s/article/Sitefinity-Security-Advisory-for-Addressing-Se… (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-7198?: CVE-2026-7198 is a critical-severity vulnerability in Progress Sitefinity, classified under Improper Access Control. CVSS score: 9.8/10. Published 2026-06-02.
How severe is CVE-2026-7198?: Critical severity. CVSS v3 base score is 9.8 out of 10.