CVE-2026-107121

Published: Ott 07, 2026 Last Modified: Ott 07, 2026
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 6,5
Source: [email protected]
Attack Vector: network
Attack Complexity: high
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: low
Availability: none

Description

AI Translation Available

A flaw was found in the SMTP email configuration handling of the keycloak-services component. When the STARTTLS option is enabled, Keycloak fails to strictly enforce an encrypted connection, allowing it to fall back to unencrypted communication if the encryption request is tampered with. An attacker who can intercept network traffic can exploit this to capture sensitive email credentials and message content in plain text.

319

Cleartext Transmission of Sensitive Information

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Confidentiality
Potential Impacts:
Read Application Data Modify Files Or Directories Other
Applicable Platforms
Technologies: Not Technology-Specific, Cloud Computing, Mobile, ICS/OT, System on Chip, Test/Debug Hardware
Likelihood of Exploit: High
View CWE Details
https://access.redhat.com/security/cve/CVE-2026-107121
https://access.redhat.com/security/cve/CVE-2026-107121
https://bugzilla.redhat.com/show_bug.cgi?id=2547296
https://bugzilla.redhat.com/show_bug.cgi?id=2547296