CVE•Published 2026-06-25•Modified 2026-10-20•1 article on news•4 live references•NVD data
CVE-2026-9800Redhat · Build_of_keycloak
Vulnerability data via NVD (ingested)
CVSS v3.1
8.1
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
EPSS percentile
50
Exploit Prediction Scoring System · top 50% of all CVEs
Weaknesses (CWE)
Description
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.
Timeline
Published 2026-06-25
Modified 2026-10-20
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2026-9800Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Redhat Build Of Keycloak"All exposed Redhat Build Of Keycloak instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Build Of Keycloak"HTTP body or banner mentions "Build Of Keycloak" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-9800Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-9800Censys host search filtered to this CVE id.
grep.app
CVE-2026-9800Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-9800GitHub code search for direct mentions.
Google dork
"CVE-2026-9800" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.