CVE-2026-56748

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.

CVSS Vector

References

• https://docs.cribl.io/stream/release-notes/release-v4182/#security-fixes
• https://trust.cribl.io/notifications