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CVE-2026-45570

Go-git vulnerability

9.6 CRITICALEPSS 0.43%
  1. Published27 May 2026

Description

go-git is an extensible git implementation library written in pure Go. Prior to 5.19.1 and 6.0.0-alpha.4, go-git's SSH transport constructs the remote exec command by wrapping the repository path in single quotes without escaping single quotes embedded inside the path. A repository path containing a single quote can therefore break out of the quoted region in the exec command and be appended as additional shell tokens. This vulnerability is fixed in 5.19.1 and 6.0.0-alpha.4.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected products

Go-git6.0.0 · < 5.19.1

Remediation

Fixed in
Go-git≥ 5.19.1

References

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Frequently asked

Is CVE-2026-45570 being actively exploited?

CVE-2026-45570 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.43%.

How severe is CVE-2026-45570?

CVE-2026-45570 has a CVSS 3.1 base score of 9.6, rated critical. EPSS estimates a 0.43% probability of exploitation.

Which products are affected by CVE-2026-45570?

Affected products include Go-git.

How do I fix CVE-2026-45570?

Upgrade affected software to a fixed version, for example Go-git 5.19.1 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-45570 against the real software inventory on every managed device, as each hourly inventory arrives. 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.

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