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Public proof of conceptFix available

CVE-2018-18629

A public proof of concept exists; no exploitation attested.

  • Published2018-12-20
  • Fixed in2.8.0-20181023124437
  • WeaknessCWE-426

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2018-10-22Exploit-DB entryExploit-DB

Versions per branch

NVD
Keybase
BranchAffectedFixed in
2.8< 2.8.0-201810231244372.8.0-20181023124437

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Keybase to 2.8.0-20181023124437

Advisories and patches

Detection

read 2026-11-09 09:28 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
EDB-46044
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2018-12-20
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-r956-7c4h-fwq7

Frequently asked questions

What is CVE-2018-18629?

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.

Is CVE-2018-18629 actively exploited?

Active exploitation of CVE-2018-18629 has not been confirmed. Its EPSS score was 1.5% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-18629?

CVE-2018-18629 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record