CWE-284: Improper Access Control in web services in Progress Sitefinity

published 2026-06-02 5 mo ago modified 2026-07-22 3 mo ago also EUVD-2026-33919

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 38%
public exploits: 0; none known

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.

Patch / fix

fixed in 1

Progress Software Sitefinity 15.4.8630

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 5 mo ago (2026-06-02)

Exploit prediction

0.44% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Progress Software Sitefinity

Classification

Weakness

CWE-284 Improper Access Control

References

community.progress.com /s/article/Sitefinity-Security-Advisory-for-Addressing-Security-Vulnerabilities-CVE-2026-7312-CVE-2026-7198-CV
vendor-advisory

Sources

CVE List CVE-2026-7198
NVD CVE-2026-7198

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary