CVE-2026-45391

Local privilege escalation in Cribl Edge for Linux

Published May 12, 2026 CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

Vendor Solution

Upgrade Cribl Edge to v4.17.1 or higher. Upgrading fully resolves this vulnerability and no additional mitigation is required. As a defense-in-depth best practice (independent of this CVE), running Cribl Edge as an unprivileged Linux user is recommended; see https://docs.cribl.io/edge/deploy-linux/ for guidance.

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Description Reserved. Details will be published at disclosure. 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.
Title High Severity Vulnerability in Cribl Edge Local privilege escalation in Cribl Edge for Linux
Weaknesses CWE-78
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.5, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Title High Severity Vulnerability in Cribl Edge
Type Values Removed Values Added
Weaknesses CWE-20
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Cribl
Cribl cribl
Vendors & Products Cribl
Cribl cribl
Weaknesses

Sources

Status
PUBLISHED
Assigner
Cribl
Published
Updated
Jun 2, 2026, 3:51 PM
Reserved
May 12, 2026, 1:05 AM
Status
Deferred
Published
May 12, 2026, 2:16 AM
Modified
Oct 26, 2026, 6:10 PM