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Fencer Intel
high 8.1

CVE-2026-102826 json

simple-git allows command execution through unblocked Git configuration includes

published last mo. modified last mo. also EUVD-2026-89332 , GHSA-g4wm-2vf7-vfgr

cvss
8.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits
0
none known

Summary

simple-git, an interface for running git commands in any node.js application, enables applications to execute Git operations from JavaScript. Prior to 4.0.0, the default blockUnsafeOperationsPlugin does not completely reject configuration includes supplied through customArgs to git.clone(). The missing include.path classification permits Git to load an attacker-controlled configuration file, and the initial remediation does not cover includeIf.<condition>.path, allowing the same file-loading primitive through a conditional include. A loaded configuration can set an executable Git option such as core.sshCommand, which Git invokes during the clone operation with the privileges of the Node.js process. Exploitation requires the application to pass attacker-influenced custom arguments and requires an attacker-controlled file that the process can read. This issue is fixed in 4.0.0.

Patch / fix

  • npm simple-git 4.0.0
  • simple-git_project simple-git 4.0.0

Is CVE-2026-102826 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-102826 updated cvss 8.1

simple-git: simple-git allows command execution through unblocked Git configuration includes

  • Red Hat Build of Keycloak rhbk-quarkus-dist.zip 26.6.7.CR1, keycloak-operator.redhat-00001.zip 26.6.6, keycloak-operator.redhat-00003.zip 26.6.7
    affected: workaround, no fix available
  • Red Hat Enterprise Linux 8 grafana, grafana-pcp, grafana-loki, grafana-mssql, grafana-mysql, grafana-selinux, +11 more Red Hat Enterprise Linux 9 grafana, grafana-pcp, grafana-selinux, grafana 10.2.6-28.el10_2.5, grafana-pcp 5.3.0-8.el10_2.1 Red Hat Enterprise Linux 10 grafana 10.2.6-28.el10_2.5, grafana-pcp 5.3.0-8.el10_2.1
    not affected: vulnerable code not present
  • Red Hat JBoss Enterprise Application Platform 8 jboss-eap-runtime-maven-repository.zip 8.1.2, jboss-eap.1-runtime-maven-repository.zip 8.1.0 Red Hat JBoss Enterprise Application Platform Expansion Pack jboss-eap-runtime-maven-repository.zip 8.1.2, jboss-eap.1-runtime-maven-repository.zip 8.1.0
    not affected: component not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
last mo.

Exploit prediction

0.46% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/steveukx/git-js/security/advisories/GHSA-g4wm-2vf7-vfgr referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
GitHub 3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
npm simple-git
<4.0.0
4.0.0

Affected products

  • steveukx git-js

Classification

Weakness
  • CWE-77 Improper Neutralization of Special Elements used in a Command
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.