What’s Vulnerable › Vulnerabilities

CVE-2018-18629

• Severity: high (CVSS 7.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-12-20 · updated 2026-06-17
• Weakness: CWE-426

Description

An issue was discovered in the Keybase command-line client before 2.8.0-20181023124437 for Linux. An untrusted search path vulnerability in the keybase-redirector application allows a local, unprivileged user on Linux to gain root privileges via a Trojan horse binary.

Affected products

• Zoom Video Communications Inc Keybase Client for Windows: before 2.8.0-20181023124437 — fixed in 2.8.0-20181023124437

How to fix

Upgrade to a fixed version: Zoom Video Communications Inc Keybase Client for Windows 2.8.0-20181023124437. Check the vendor advisory for mitigations.

References

• https://blog.mirch.io/2018/12/21/cve-2018-18629-keybase-linux-privilege-escalation/
• https://hackerone.com/reports/426944
• https://keybase.io/docs/secadv/kb002
• https://blog.mirch.io/2018/12/21/cve-2018-18629-keybase-linux-privilege-escalation/
• https://hackerone.com/reports/426944
• https://keybase.io/docs/secadv/kb002

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