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CVE-2026-56748

Authenticated RCE via Symlink Following in Cribl Stream Pack Git Import

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 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Cribl
Products
Cribl Stream
CVE-2026-56747

Code Injection in JSON Pointer Processing Component in Cribl Stream

Improper control of generation of code in the JSON Pointer-to-accessor compiler in Cribl Stream before 4.18.2 allows a remote authenticated attacker with edit privileges to execute arbitrary JavaScript on the server via a crafted database connection identifier or pack configuration value.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Cribl
Products
Cribl Stream
CVE-2026-45392

DOM-based XSS in Cribl Stream

DOM-based cross-site scripting (XSS) in Cribl Stream before 4.17.1 allows a remote attacker to execute arbitrary JavaScript in the browser of an authenticated user who is tricked into visiting a crafted URL and interacting with the page.

CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
Cribl
Products
Cribl Stream