Vulnerabilities CVE-2026-56748

CVE-2026-56748

High

Open

TLP:CLEAR

Authenticated RCE via Symlink Following in Cribl Stream Pack Git Import

NVD CVE.org

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Description

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.

Details

CVSS Score: 8.7
EPSS Score ⓘ: 0.57%

44.3th percentile
CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Confidence: 90%
Published: Jul 27, 2026
Last Modified: Jul 27, 2026

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