Secuno
ENNL
Book demo

CVE-2026-76221

Gitpython injection

8.8 HIGHPublic exploitEPSS 0.77%
  1. Published19 Aug 2026

Description

GitPython before 3.1.58 contains a config-name injection vulnerability in the option-name validator that allows attackers to forge arbitrary git-config directives by injecting equals signs, hash symbols, and whitespace into option names. Attackers can inject malicious option names like 'sshCommand = touch /tmp/RCE #' to execute arbitrary commands via core.sshCommand or core.hooksPath on the next git operation.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Gitpython< 3.1.58

Remediation

Fixed in
Gitpython≥ 3.1.58

References

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

CVE-2026-1089299.9
A flaw has been found in Netcore NR268 1.7.121109. The affected element is the function…
CVE-2026-10891810.0
A vulnerability was identified in Edimax BR-6208AC 1.32. Impacted is an unknown…
CVE-2026-10891710.0
A vulnerability was determined in Edimax BR-6208AC 1.32. This issue affects some…
CVE-2026-1089168.3
A vulnerability was found in Edimax BR-6208AC 1.32. This vulnerability affects unknown…
CVE-2026-764728.8
As part of Cisco's ongoing commitment to proactive security and product quality, the…
CVE-2026-829899.8
There is an input injection in vCast exposed network services in ViewSonic ViewBoard…

Frequently asked

Is CVE-2026-76221 being actively exploited?

CVE-2026-76221 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.77%.

How severe is CVE-2026-76221?

CVE-2026-76221 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 0.77% probability of exploitation.

Which products are affected by CVE-2026-76221?

Affected products include Gitpython.

How do I fix CVE-2026-76221?

Upgrade affected software to a fixed version, for example Gitpython 3.1.58 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-76221 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

See how prioritisation worksBook a demo

Get Patch this first every Monday

Five vulnerabilities that matter this week, ranked on real exploitation. Plain language, one email, no spam.

You can unsubscribe with one click from every issue. We handle your details as described in our privacy policy.

Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.