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CVE-2018-19486

31
FAUCET Score

CVE-2018-19486 is a critical vulnerability affecting Git versions prior to 2.19.2 on Linux and UNIX systems, impacting products like Canonical Git and various Linux distributions. It allows for arbitrary command execution due to Git running commands from the current working directory, effectively treating '.' as part of the system's PATH. With a CVSS score of 9.8 (CRITICAL), this vulnerability is easily exploitable over the network with no user interaction, leading to complete compromise of confidentiality, integrity, and availability. There is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.19.2CPE matchmatch criteria
cpe:2.3:a:git-scm:git:*:*:*:*:*:*:*:*
18.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
18.10CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
4.12%
Probability of exploitation in next 30 days
EPSS Percentile
89.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0412 is in the 83rd percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (4)

redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-git218-git-0:2.18.1-3.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUSFixed in: rh-git218-git-0:2.18.1-3.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUSFixed in: rh-git218-git-0:2.18.1-3.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUSFixed in: rh-git218-git-0:2.18.1-3.el7
View patch

Vendor Advisories (1)

redhatCVE-2018-19486Important

git: Improper handling of PATH allows for commands to be executed from the current directory

Oct 24, 2018

References

access.redhat.com / errata/RHSA-2018:3800
Third Party Advisory
git.kernel.org / pub/scm/git/git.git/commit
Mailing ListPatchThird Party Advisory
git.kernel.org / pub/scm/git/git.git/tree/Documentation/RelNotes/2.19.2.txt
Release NotesThird Party Advisory
security.gentoo.org / glsa/201904-13
usn.ubuntu.com / 3829-1
Third Party Advisory
securityfocus.com / bid/106020
Third Party AdvisoryVDB Entry
securitytracker.com / id/1042166
Third Party AdvisoryVDB Entry