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CVE-2018-18629

34
FAUCET Score

CVE-2018-18629 is an untrusted search path vulnerability in the Keybase command-line client for Linux, specifically affecting versions prior to 2.8.0-20181023124437. This flaw allows a local, unprivileged user to achieve root privileges by tricking the keybase-redirector application into executing a malicious binary. With a CVSS score of 7.8 (High), this vulnerability poses a significant risk, enabling full compromise of confidentiality, integrity, and availability on affected systems. While not actively exploited in the wild (KEV: No), public exploit code exists on ExploitDB, and it has garnered community discussion and media coverage, indicating awareness of its potential.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.8.0-20181023124437CPE matchmatch criteria
cpe:2.3:a:keybase:keybase:*:*:*:*:*:linux:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.49%
Probability of exploitation in next 30 days
EPSS Percentile
71.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-46044 · Oct 22, 2018
This CVE's current EPSS score of 0.0149 is in the 95th percentile among its peer group of 16,994 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

blog.mirch.io / 2018/12/21/cve-2018-18629-keybase-linux-privilege-escalation
ExploitThird Party Advisory
hackerone.com / reports/426944
ExploitPatchThird Party Advisory
keybase.io / docs/secadv/kb002
ExploitVendor Advisory