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PUBLISHED

2026-03-18 02:16

MODIFIED

2026-03-18 02:16

CVSS_SCORE V3

7.7

EPSS (Prob. Exploit)

0.38%

Top 67.4%

DATA SOURCES:

NVD 🔗 2026-03-18 CWE MITRE 🔗 2026-11-01 FIRST EPSS 🔗 2026-11-08 GITHUB 🔗 2026-10-28

> DESCRIPTION

A flaw was found in Keycloak. Keycloak's Security Assertion Markup Language (SAML) broker endpoint does not properly validate encrypted assertions when the overall SAML response is not signed. An attacker with a valid signed SAML assertion can exploit this by crafting a malicious SAML response. This allows the attacker to inject an encrypted assertion for an arbitrary principal, leading to unauthorized access and potential information disclosure.

> AFFECTED_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> CVSS V3 METRICS

CVSS_VECTOR

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

EXPLOITABILITY

1.8

IMPACT

5.3

> MÉTRIQUES CVSS DÉTAILLÉES

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

Métrique	Valeur	Interprétation
AV (Vecteur d'Attaque) Attack Vector	Network (N)	Exploit possible à distance via réseau (HTTP, API, etc.)
AC (Complexité d'Attaque) Attack Complexity	High (H)	Conditions spécifiques doivent être réunies pour exploiter
PR (Privilèges Requis) Privileges Required	Low (L)	Authentifié avec compte utilisateur basique
UI (Interaction Utilisateur) User Interaction	None (N)	Aucune interaction utilisateur nécessaire
S (Périmètre) Scope	Changed (C)	Impact s'étend au-delà du composant compromis
C (Impact Confidentialité) Confidentiality Impact	High (H)	Divulgation totale d'informations
I (Impact Intégrité) Integrity Impact	Low (L)	Modification limitée des données possible
A (Impact Disponibilité) Availability Impact	Low (L)	Interruption partielle du service possible

> RÉSUMÉ DES IMPACTS

Confidentialité

High

Divulgation totale d'informations

Intégrité

Low

Modification limitée des données possible

Disponibilité

Low

Interruption partielle du service possible

> WEAKNESSES

CWE-1287

> CWE DETAILED DESCRIPTIONS

CWE-1287: Improper Validation of Specified Type of Input - The product receives input that is expected to be of a certain type, but it does not validate or incorrectly validates that the input is actually of the expected type.

> RED HAT SECURITY ADVISORIES

RHSA-2026:76134 IMPORTANT

Red Hat Security Advisory: Red Hat Single Sign-On 7.6.13 for OpenShift image security update

A new image is available for Red Hat Single Sign-On 7.6.13, running on OpenShift Container Platform 3.10 and 3.11, and 4.3.

RHSA-2026:76132 IMPORTANT

Red Hat Security Advisory: Red Hat Single Sign-On 7.6.13 security update

A security update is now available for Red Hat Single Sign-On 7.6 from the Customer Portal. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerabi...

RHSA-2026:76128 IMPORTANT

Red Hat Security Advisory: Red Hat Single Sign-On 7.6.13 security update on RHEL 7

New Red Hat Single Sign-On 7.6.13 packages are now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of none. A Common Vulnerability...

RHSA-2026:76130 IMPORTANT

Red Hat Security Advisory: Red Hat Single Sign-On 7.6.13 security update on RHEL 9

New Red Hat Single Sign-On 7.6.13 packages are now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of none. A Common Vulnerability...

RHSA-2026:76129 IMPORTANT

Red Hat Security Advisory: Red Hat Single Sign-On 7.6.13 security update on RHEL 8

New Red Hat Single Sign-On 7.6.13 packages are now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of none. A Common Vulnerability...