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TI-2026-33183 Aliases CVE-2026-45393GHSA-2hpj-h2fj-2jg5

Local privilege escalation to SYSTEM in Cribl Edge for Windows

Priority LOW 36CWE-276Published · Updated

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 vulnerability chain in Cribl Edge for Windows before 4.17.1 allows a local authenticated user to escalate privileges to NT AUTHORITY\SYSTEM. Incorrect default permissions on the Windows installer's authentication directory (CWE-276) expose a cryptographic secret used for JWT signing and password-hash derivation, enabling forgery of administrative API tokens. The forged token can then be used to invoke a pipeline function that reaches an OS command sink (CWE-78) running in the SYSTEM context.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00221 12th percentileScored 2026-11-07
Fix Fixed Cribl Edge (Cribl): 4.17.1

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

VendorProductAffected versionsFixed inStatusSource
CriblCribl Edgebefore 4.17.14.17.1Patch availableCNA
  • Cribl Edge VendorCribl Affected before 4.17.1 Fixed in 4.17.1 Patch available CNA

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-2026-33181 Local privilege escalation in Cribl Edge for LinuxPriority LOW 39
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-45393
  2. 2026-10-03 Alias added: GHSA-2hpj-h2fj-2jg5

References

Advisory 1

Other 1

  • 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-2026-33181 Local privilege escalation in Cribl Edge for Linux CVSS 4.0HIGH 8.5
  • TI-2026-33182 DOM-based XSS in Cribl Stream CVSS 4.0HIGH 7.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences