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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 …

High CVSS 8.8
CVECVE-2026-56748
First seen2026-07-27 23:15 UTC
Disclosed2026-07-27 20:16 UTC
Last updated2026-07-27 23:15 UTC
Channel statusauto

Summary

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.

In-depth triage · Auto channel

No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).

Lint boundary warnings (2)

The following non-blocking warnings were raised during the lint phase of this triage (e.g. reference URLs not yet on the allowlist). They do not affect entry usability and are disclosed for transparency (see DR-002).

  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://docs.cribl.io/stream/release-notes/release-v4182/#security-fixes
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://trust.cribl.io/notifications

Sources

  • NVD DATABASE

Original Links

Timeline

  1. nvd_ingest NVD