Local privilege escalation in Cribl Edge for Linux
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-78.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Cribl Edge (Cribl) Fixed in 4.17.1
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Cribl Edge 4.17.1
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2026-33183 Local privilege escalation to SYSTEM in Cribl Edge for WindowsPriority LOW 36
Timeline
- 2026-10-02 Threatist record created from CVE-2026-45391
- 2026-10-03 Alias added: GHSA-v5fp-5xmq-m2x6
- 2026-10-25 Priority changed: MEDIUM → LOW
References
Advisory 1
More Cribl vulnerabilities
- TI-2019-08283 Cribl UI 1.5.0 allows remote attackers to run arbitrary commands via an unauthenticated web request. CVSS 3.0CRITICAL 9.8
- TI-2026-40921 Authenticated RCE via Symlink Following in Cribl Stream Pack Git Import CVSS 4.0HIGH 8.7
- TI-2026-40920 Code Injection in JSON Pointer Processing Component in Cribl Stream CVSS 4.0HIGH 8.7
- TI-2026-33183 Local privilege escalation to SYSTEM in Cribl Edge for Windows CVSS 4.0HIGH 8.5
- TI-2026-33182 DOM-based XSS in Cribl Stream CVSS 4.0HIGH 7.1
Sources
- CVE-2026-45391 · CVE Program
- CVE-2026-45391 · NVD
- FIRST EPSS
- GHSA-v5fp-5xmq-m2x6 · GitHub Advisory Database · CC BY 4.0
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