RCE in Cribl Edge

CVE-2026-45391

A command injection vulnerability in Cribl Edge for Linux versions 3.2.0 through 4.17.0 allows a local unprivileged user to execute arbitrary commands in the context of the Cribl Edge service account.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.017 (76.1th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-45391: rose from 0.009 to 0.017.

EPSS over last 30 days · oldest: 0.009 · newest: 0.017 · change: +0.008

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-45391?
CVE-2026-45391 is a high-severity vulnerability in Cribl Edge, classified under OS Command Injection. CVSS score: 7.8/10. Published 2026-05-12.
How severe is CVE-2026-45391?
High severity. CVSS v3 base score is 7.8 out of 10.