CVE-2026-56748

Improper validation of symbolic links in the Pack Git import feature in Cribl Stream before 4.18.2 allows a remote authenticated attacker with Pack import and pipeline preview permissions to execute arbitrary code as the Cribl server process via a crafted Git repository containing a symbolic link in the pack's functions directory.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://docs.cribl.io/stream/release-notes/release-v4182/#security-fixes	Release Notes
https://trust.cribl.io/notifications	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:cribl:cribl_stream:*:*:*:*:*:*:*:*

History

24 Oct 2026, 13:10

Type	Values Removed	Values Added
Summary		(es) Validación incorrecta de enlaces simbólicos en la función de importación de paquetes Git en Cribl Stream anterior a la versión 4.18.2 permite a un atacante remoto autenticado con permisos de importación de paquetes y vista previa de pipelines ejecutar código arbitrario como el proceso del servidor de Cribl a través de un repositorio Git manipulado que contiene un enlace simbólico en el directorio de funciones del paquete.

Information

Published : 2026-07-27 20:16

Updated : 2026-10-24 13:10

NVD link : CVE-2026-56748

Mitre link : CVE-2026-56748

CVE.ORG link : CVE-2026-56748

JSON object : View

Products Affected

cribl

cribl_stream

CWE

CWE-61

UNIX Symbolic Link (Symlink) Following

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