CVE-2026-7198: CWE-284: Improper Access Control in web services in Progress Sitefinity 15.4.8623 before 15.4.8630 allows a re

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CRITICAL 9.8REMOTEUPGRADE

CVE-2026-7198 is a critical-severity flaw (CVSS 9.8) affecting sitefinity. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-284
Published	2026-06-02
Last modified	2026-07-22

Publisher (CNA): Progress Software Corporation · Vendor: progress

Last updated 2026-07-22 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-02 14:17 UTCPublished CVE record published
2026-07-22 19:10 UTCUpdated Record last modified

progress sitefinity UPGRADE

Affected: >= 15.4.8623 and < 15.4.8630

Fixed in: 15.4.8630

Safe to downgrade to: a release before 15.4.8623

1. Check installed version

apt-cache policy sitefinity || rpm -q sitefinity || sitefinity --version

2. UPGRADE to 15.4.8630 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade sitefinity

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade sitefinity

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 15.4.8623 (Debian / Ubuntu)

apt-cache madison sitefinity sudo apt install sitefinity=<VERSION_BEFORE_15.4.8623> sudo apt-mark hold sitefinity

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list sitefinity sudo dnf downgrade sitefinity-<VERSION_BEFORE_15.4.8623> sudo dnf versionlock add sitefinity

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-7198?

sitefinity: upgrade to 15.4.8630. Exact commands for each OS are on this page.

Is CVE-2026-7198 being exploited?

CVE-2026-7198 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-7198 affect?

CVE-2026-7198 affects sitefinity. Severity is critical (CVSS 9.8). 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, integr

How urgent is CVE-2026-7198?

Priority 49/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-7312 CRITICAL 10.0 UPGRADE CWE‑522: Insufficiently Protected Credentials in web services in Progress Sitefinity version from 14.0.7700 to
CVE-2026-7195 HIGH 8.8 UPGRADE CWE-20: Improper Input Validation in web services in Progress Sitefinity 14.1.x through 14.3.x, 14.4.x before
CVE-2026-7201 HIGH 8.8 UPGRADE CWE-639: Authorization Bypass Through User-Controlled Key in web services in Progress Sitefinity 15.2.x before
CVE-2026-7313 HIGH 8.7 UPGRADE CWE‑522: Insufficiently Protected Credentials in web services in Progress Sitefinity version from 8.0.5700 to

References

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