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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-9800

36
FAUCET Score

A flaw was found in Keycloak Policy Enforcer. This vulnerability allows any authenticated user to bypass all authorization policies, including role, scope, and User-Managed Access (UMA) permission checks. By including the configured access-denied page path within a request URL, either as a path segment or a query parameter, an attacker can gain unauthorized access to protected resources.

First published: Jun 25, 2026Last modified: Jul 2, 2026

Impacted Technologies

VendorProductVersion(s)CPE
>= 26.4, < 26.4.13CPE matchmatch criteria
cpe:2.3:a:redhat:build_of_keycloak:*:*:*:*:*:*:*:*
>= 26.6, <= 26.6.4CPE matchmatch criteria
cpe:2.3:a:redhat:build_of_keycloak:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.1HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.31%
Probability of exploitation in next 30 days
EPSS Percentile
23.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0031 is in the 10th percentile among its peer group of 17,823 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

redhatvendor investigatingvia nvd_reference
View patch

References

security.access.redhat.com / data/csaf/v2/vex/2026/cve-2026-9800.json
Vendor Advisory
access.redhat.com / errata/RHSA-2026:30049
Vendor Advisory
access.redhat.com / errata/RHSA-2026:30050
Vendor Advisory
access.redhat.com / errata/RHSA-2026:30083
Vendor Advisory
access.redhat.com / errata/RHSA-2026:30084
Vendor Advisory
access.redhat.com / security/cve/CVE-2026-9800
Vendor Advisory
bugzilla.redhat.com / show_bug.cgi
Vendor Advisory