High 8.8Published Jul 27, 2026

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

Updated under an hour ago (Oct 27, 2026, 2:23 PM ET)

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It affects Cribl Stream and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Cribl Stream

Exploited in the last 30 days

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: 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-61
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Cribl
NVD analysis: Analyzed
Record last updated: Jul 27, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Cribl Cribl Stream cribl:stream (from the name)	before 4.18.2	CNA record
cribl cribl_stream cribl:cribl_stream	before 4.18.2	NVD

References

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.