CVE-2026-56748: Authenticated RCE via Symlink Following in Cribl Stream Pack Git Import
High · CVSS 8.8 (CVSS 3.1)EPSS 0.92%, 60th percentilePublished Updated Assigner: Cribl
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.
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · CWE-61
Tracked companies
Mapped from the CVE’s affected-product data, NVD CPE matches, vendor advisories or package feeds. A mapping means the vendor’s software is named, not that its hosted service was exposed.
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
Cribl: Cribl Stream
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- docs.cribl.io/stream/release-notes/release-v4182/ (opens in new tab)
- trust.cribl.io/notifications (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)