Multiple vulnerabilities in KeyCloak (June 29, 2026)

unknownCVE-2026-9086 CVE-2026-9099 CVE-2026-9800 CVE-2026-9795 CVE-2026-9705 CVE-2026-9799

Multiple vulnerabilities have been discovered in KeyCloak. Some of them allow an attacker to cause remote arbitrary code execution, privilege escalation, and data confidentiality breaches.

CSIRTS triage

vendor: KeyCloak product: KeyCloak Remote code execution Privilege escalation Information disclosureOther

What: Multiple vulnerabilities can lead to remote code execution, privilege escalation, and data confidentiality breaches.
Who is affected: Users of KeyCloak, specifics not detailed in the advisory.
Urgency: Remediation is urgent due to the potential for serious security breaches.
Action: Update KeyCloak to the latest version to mitigate these vulnerabilities.

AI-assisted analysis generated from the source advisory — verify against the original.

⚡ Watch KeyCloak

Get an email when a new KeyCloak advisory drops — max one per day, one-click unsubscribe.

Details

Source: CERT-FR Avis de sécurité (FR · national-cert · site)
Severity: unknown
Published: 2026-06-29
Exploitation: Not in CISA KEV at last sync
Language: Machine-translated to English — verify against the original

Original advisory: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0815/

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-90860.78% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 53% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-90990.49% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 40% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-98000.63% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 48% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-97950.35% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 28% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-97050.46% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 38% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-97990.29% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 21% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-90830.78% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 53% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-118000.30% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 22% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-9086	coverage & exploitation status	NVD · CVE.org
CVE-2026-9099	coverage & exploitation status	NVD · CVE.org
CVE-2026-9800	coverage & exploitation status	NVD · CVE.org
CVE-2026-9795	coverage & exploitation status	NVD · CVE.org
CVE-2026-9705	coverage & exploitation status	NVD · CVE.org
CVE-2026-9799	coverage & exploitation status	NVD · CVE.org
CVE-2026-9083	coverage & exploitation status	NVD · CVE.org
CVE-2026-11800	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for KeyCloak

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

unknownNCSC-2026-0326 [1.00] [M/H] Vulnerabilities patched in Keycloakncsc-nl · 2026-08-25
mediumCVE-2026-79652: A flaw was found in the JWT Bearer authorization grant implementation within the keycloak-serv…nvd · 2026-08-25
high[NEW] [high] Keycloak: Multiple vulnerabilitiescert-bund · 2026-08-25
unknownMultiple vulnerabilities in Keycloak (August 25, 2026)cert-fr-avis · 2026-08-25
mediumCVE-2025-68833: HCL Hive Keycloak IAM Instance is affected by insufficient granularity of access control which…nvd · 2026-08-24
medium[UPDATE] [medium] Keycloak: Multiple vulnerabilitiescert-bund · 2026-08-19