CVE-2026-56748 (GCVE-0-2026-56748)
Vulnerability from cvelistv5 – Published: 2026-07-27 19:27 – Updated: 2026-07-27 20:22
VLAI
EPSS
VEX
Title
Authenticated RCE via Symlink Following in Cribl Stream Pack Git Import
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.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-27 20:22 UTC
CWE
- CWE-61 - UNIX Symbolic Link ('Symlink') Following
Assigner
Cribl
CNA
References
2 references
| URL | Tags |
|---|---|
| https://docs.cribl.io/stream/release-notes/releas… | release-notes |
| https://trust.cribl.io/notifications | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cribl | Cribl Stream |
Affected:
0 , < 4.18.2
(semver)
|
Date Public
2026-07-27 00:00
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