CVE-2018-19486
CRITICALEPSS 90th pctlDescription
Git before 2.19.2 on Linux and UNIX executes commands from the current working directory (as if '.' were at the end of $PATH) in certain cases involving the run_command() API and run-command.c, because there was a dangerous change from execvp to execv during 2017.
How to fix
This Ubuntu release reached end-of-life on 2023-05-31. Extended security maintenance is available until 2028-04-01.
TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works
Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploit Intelligence
High risk: more likely to be exploited than 90% of all known CVEs.
References
Related Vulnerabilities
Other CWE-426 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2015-0096 | High | 9.3 | 71% | - | - |
| CVE-2016-10009 | High | 7.3 | 37% | - | Fix |
| CVE-2016-0016 | High | 7.8 | 30% | - | - |
| CVE-2012-1854 | High | 7.8 | 21% | KEV | - |
| CVE-2018-12589 | High | 7.8 | 20% | - | - |
| CVE-2022-22047 | High | 7.8 | 19% | KEV | Fix |
Common questions
How do I fix CVE-2018-19486?
Published advisories record a fix for 18 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.
Is CVE-2018-19486 being actively exploited?
Not that we know of. CVE-2018-19486 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 4.1% is the estimated probability that it will be exploited in the next 30 days. That is higher than 90% of all scored CVEs.
How severe is CVE-2018-19486?
CVE-2018-19486 has a CVSS v3 base score of 9.8, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
What does CVE-2018-19486 affect?
Published advisories record a fix for git (Amazon), git-all (Amazon), git-core (Amazon), git-core-doc (Amazon), and 14 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-17.