# CVE-2026-56748: Authenticated RCE via Symlink Following in Cribl Stream Pack Git Import

> CVE-2026-56748: Authenticated RCE via Symlink Following in Cribl Stream Pack Git Import. CVSS 8.8 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-56748
Last updated: 2026-10-24T13:10:00Z

- Published: 2026-07-27 19:27 UTC · Updated: 2026-10-24 13:10 UTC · Assigner: Cribl
- CVSS: 8.8 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS: 0.92%, 60th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-61

## 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.

## Affected vendors and products

- Cribl: Cribl Stream

## Tracked companies

- [Cribl](https://rewindex.com/company/cribl.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-56748)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-56748)
- [https://docs.cribl.io/stream/release-notes/release-v4182/\#security-fixes](https://docs.cribl.io/stream/release-notes/release-v4182/#security-fixes)
- [https://trust.cribl.io/notifications](https://trust.cribl.io/notifications)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-56748 · Markdown: https://rewindex.com/cve/CVE-2026-56748.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-56748 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:12:18.485Z