CVE-2026-45391

Local privilege escalation in Cribl Edge for Linux

State: Published
Severity: 8.5 High
Published: May 12, 2026
Updated: Jun 2, 2026
Reserved: May 12, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	8.5 High	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	Cribl
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	Cribl
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CWE-20 Improper Input Validation

Affected Products

Product	Versions
Cribl EdgeCribl	3.2.0 to before 4.17.1Affected 4.17.1Not affected

References

Cribl Edge 4.17.1 Security Fixesrelease-notes
Cribl Trust Portalvendor-advisory

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