go-git Credential leak via cross-host redirect in smart HTTP transport
Priority LOW 32CWE-522Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Partial Red Hat: 2 fixed, 39 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-522.
Summary
go-git is an extensible git implementation library written in pure Go. Prior to versions 5.18.0 and 6.0.0-alpha.2, go-git may leak HTTP authentication credentials when following redirects during smart-HTTP clone and fetch operations. This issue has been patched in versions 5.18.0 and 6.0.0-alpha.2.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00259 17th percentileScored 2026-11-07
Fix Partial go-git (go-git): 5.18.0, 6.0.0-alpha.2github.com/go-git/go-git/v5 (Go): 5.18.0+1 more productRed Hat: 3 advisoriesRed Hat: 2 fixed, 39 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| go-git | go-git | before 5.18.0; before 6.0.0-alpha.2 | 5.18.0, 6.0.0-alpha.2 | Patch available | CNA |
| — | github.com/go-git/go-git/v5 (Go) | before 5.18.0 | 5.18.0 | Patch available | GHSA-3xc5-wrhm-f963 |
| — | github.com/go-git/go-git/v6 (Go) | before 6.0.0-alpha.2 | 6.0.0-alpha.2 | Patch available | GHSA-3xc5-wrhm-f963 |
- go-git Vendorgo-git Affected before 5.18.0; before 6.0.0-alpha.2 Fixed in 5.18.0, 6.0.0-alpha.2 Patch available CNA
- github.com/go-git/go-git/v5 (Go) Vendor— Affected before 5.18.0 Fixed in 5.18.0 Patch available GHSA-3xc5-wrhm-f963
- github.com/go-git/go-git/v6 (Go) Vendor— Affected before 6.0.0-alpha.2 Fixed in 6.0.0-alpha.2 Patch available GHSA-3xc5-wrhm-f963
Remediation
- Fix · CNA go-git (go-git) Fixed in 5.18.0, 6.0.0-alpha.2
- Fix · GHSA-3xc5-wrhm-f963 github.com/go-git/go-git/v5 (Go) Fixed in 5.18.0 Advisory →
- Fix · GHSA-3xc5-wrhm-f963 github.com/go-git/go-git/v6 (Go) Fixed in 6.0.0-alpha.2 Advisory →
Red Hat 3 advisories
- RHSA-2026:37387 Released 2026-07-09 · Red Hat rating ImportantRed Hat OpenShift Data Foundation 4.22.0 security, enhancement & bug fix update
- Red Hat Openshift Data Foundation 4.22 registry.redhat.io/odf4/cephcsi-rhel9, registry.redhat.io/odf4/cephcsi-rhel9-operator, registry.redhat.io/odf4/devicefinder-rhel9 +24
- RHSA-2026:35111 Released 2026-07-02 · Red Hat rating ImportantRed Hat Hardened Images RPMs Security Update
- Red Hat Hardened Images trivy-0.72.0-0.1.hum1@aarch64, trivy-0.72.0-0.1.hum1@src, trivy-0.72.0-0.1.hum1@x86_64
- RHSA-2026:17669 Released 2026-05-14 · Red Hat rating ModerateRed Hat Hardened Images RPMs bug fix and enhancement update
- Red Hat Hardened Images syft-1.44.0-0.3.hum1@aarch64, syft-1.44.0-0.3.hum1@src, syft-1.44.0-0.3.hum1@x86_64
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Assisted Installer for Red Hat OpenShift Container Platform 2 | Affected | No fix yet: Fix deferred |
| Builds for Red Hat OpenShift | Affected | No fix yet: Fix deferred |
| Confidential Compute Attestation | Affected | No fix yet: Fix deferred |
| Exploit Intelligence | Affected | No fix yet: Fix deferred |
| External Secrets Operator for Red Hat OpenShift | Affected | No fix yet: Fix deferred |
| Kernel Module Management Operator for Red Hat Openshift | Affected | No fix yet: Fix deferred |
| Logging Subsystem for Red Hat OpenShift | Affected | No fix yet: Fix deferred |
| Logical Volume Manager Storage | Affected | No fix yet: Fix deferred |
| Machine Deletion Remediation Operator | Affected | No fix yet: Fix deferred |
| Migration Toolkit for Containers | Affected | No fix yet: Fix deferred |
| Migration Toolkit for Virtualization | Affected | No fix yet: Fix deferred |
| Multicluster Engine for Kubernetes | Affected | No fix yet: Fix deferred |
| Node HealthCheck Operator | Affected | No fix yet: Fix deferred |
| OpenShift API for Data Protection | Affected | No fix yet: Fix deferred |
| OpenShift Developer Tools and Services | Affected | No fix yet: Fix deferred |
| OpenShift Pipelines | Affected | No fix yet: Fix deferred |
| OpenShift Serverless | Affected | No fix yet: Fix deferred |
| OpenShift Service Mesh 2 | Affected | No fix yet: Fix deferred |
| OpenShift Service Mesh 3 | Affected | No fix yet: Fix deferred |
| Pen Drive Powered by Red Hat Lightspeed | Affected | No fix yet: Fix deferred |
| Power monitoring for Red Hat OpenShift | Affected | No fix yet: Fix deferred |
| Red Hat AI Inference Server | Affected | No fix yet: Fix deferred |
| Red Hat Advanced Cluster Management for Kubernetes 2 | Affected | No fix yet: Fix deferred |
| Red Hat Advanced Cluster Security 4 | Affected | No fix yet: Fix deferred |
| Red Hat Ansible Automation Platform 2 | Affected | No fix yet: Fix deferred |
| Red Hat Build of Kueue | Affected | No fix yet: Fix deferred |
| Red Hat Ceph Storage 9 | Affected | No fix yet: Fix deferred |
| Red Hat Edge Manager 1 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 8 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift AI (RHOAI) | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 4 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Dev Workspaces Operator | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift GitOps | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Virtualization 4 | Affected | No fix yet: Fix deferred |
| Red Hat OpenStack Platform 16.2 | Affected | No fix yet: Fix deferred |
| Red Hat OpenStack Platform 17.1 | Affected | No fix yet: Fix deferred |
| Red Hat OpenStack Platform 18.0 | Affected | No fix yet: Fix deferred |
| Red Hat Trusted Artifact Signer | Affected | No fix yet: Fix deferred |
| Red Hat Hardened Images | Fixed | RHSA-2026:17669, RHSA-2026:35111 |
| Red Hat Openshift Data Foundation 4.22 | Fixed | RHSA-2026:37387 |
Not affected: 1 product
- Red Hat Openshift Data Foundation 4.22
Timeline
- 2026-10-02 Threatist record created from CVE-2026-41506
- 2026-10-03 Alias added: GHSA-3xc5-wrhm-f963
References
More Go-git vulnerabilities
- TI-2023-27070 Maliciously crafted Git server replies can lead to path traversal and RCE on go-git clients CVSS 3.1CRITICAL 9.8
- TI-2025-15573 go-git has an Argument Injection via the URL field CVSS 4.0CRITICAL 9.2
- TI-2025-15574 go-git clients vulnerable to DoS via maliciously crafted Git server replies CVSS 3.1HIGH 7.5
- TI-2023-27069 Maliciously crafted Git server replies can cause DoS on go-git clients CVSS 3.1HIGH 7.5
- TI-2026-32877 go-git: Improper parsing of specially crafted objects may lead to inconsistent interpretation compared to upstream Git CVSS 4.0HIGH 7.0
- TI-2026-33320 go-git: Crafted repositories may modify main and submodule .git directories CVSS 3.1MEDIUM 5.4
Sources
- CVE-2026-41506 · CVE Program
- CVE-2026-41506 · NVD
- FIRST EPSS
- GHSA-3xc5-wrhm-f963 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-41506 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences