GHSA-3xc5-wrhm-f963Published

go-git Credential leak via cross-host redirect in smart HTTP transport

Exploitation and risk

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cve-program · CVE-2026-41506

Published

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.

Source published: 8 May 2026 13:43:19 UTC
Source modified: 11 May 2026 18:50:50 UTC
Saved here: 23 Oct 2026 15:48:27 UTC
Source terms: CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 3.1 · 4.7 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N

euvd · EUVD-2026-28596

Published

Additional publisher context

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: May 8, 2026, 1:43:19 PM

dateUpdated: May 11, 2026, 6:50:50 PM

22 related source bulletins · separate from aliases

openSUSE-SU-2026:11438-1: alloy-1.18.0-1.1 on GA media

CVE-2026-1229 · CVE-2026-33814 · CVE-2026-41506 · CVE-2026-41606 · CVE-2026-41607

SUSE-SU-2026:2468-1: Security update for amazon-ssm-agent

CVE-2025-22869 · CVE-2025-22870 · CVE-2025-47913 · CVE-2026-1229 · CVE-2026-25934 · CVE-2026-39821 · CVE-2026-39827 · CVE-2026-39828 · CVE-2026-39829 · CVE-2026-39830 · CVE-2026-39831 · CVE-2026-39832 · CVE-2026-39833 · CVE-2026-39834 · CVE-2026-39835 · CVE-2026-41506 · CVE-2026-42508 · CVE-2026-44740 · CVE-2026-46595 · CVE-2026-46597 · CVE-2026-46598

SUSE-SU-2026:22157-1: Security update for amazon-ssm-agent

openSUSE-SU-2026:10771-1: google-osconfig-agent-20260511.00-1.1 on GA media

CVE-2026-33186 · CVE-2026-41506

RHSA-2026:37387: Red Hat Security Advisory: Red Hat OpenShift Data Foundation 4.22.0 security, enhancement & bug fix update

CVE-2024-25621 · CVE-2024-40635 · CVE-2024-45310 · CVE-2025-8766 · CVE-2025-21613 · CVE-2025-21614 · CVE-2025-22870 · CVE-2025-47911 · CVE-2025-52881 · CVE-2025-54410 · CVE-2025-58058 · CVE-2025-64329 · CVE-2025-66506 · CVE-2026-22772 · CVE-2026-23831 · CVE-2026-24117 · CVE-2026-25680 · CVE-2026-25681 · CVE-2026-25934 · CVE-2026-27136 · CVE-2026-27141 · CVE-2026-27903 · CVE-2026-33540 · CVE-2026-33747 · CVE-2026-33748 · CVE-2026-33814 · CVE-2026-34986 · CVE-2026-35172 · CVE-2026-35469 · CVE-2026-39821 · CVE-2026-39827 · CVE-2026-39828 · CVE-2026-39829 · CVE-2026-39830 · CVE-2026-39831 · CVE-2026-39832 · CVE-2026-39833 · CVE-2026-39834 · CVE-2026-39835 · CVE-2026-39883 · CVE-2026-41506 · CVE-2026-41567 · CVE-2026-41568 · CVE-2026-42502 · CVE-2026-42506 · CVE-2026-42508 · CVE-2026-44740 · CVE-2026-45571 · CVE-2026-46595 · CVE-2026-46597 · CVE-2026-46598

SUSE-SU-2026:22558-1: Security update for google-osconfig-agent

CVE-2023-45288 · CVE-2025-22868 · CVE-2025-47911 · CVE-2025-58190 · CVE-2026-33186 · CVE-2026-33814 · CVE-2026-34986 · CVE-2026-39821 · CVE-2026-39827 · CVE-2026-39828 · CVE-2026-39829 · CVE-2026-39830 · CVE-2026-39831 · CVE-2026-39832 · CVE-2026-39833 · CVE-2026-39834 · CVE-2026-39835 · CVE-2026-41506 · CVE-2026-42508 · CVE-2026-46595 · CVE-2026-46597 · CVE-2026-46598

RHSA-2026:17669: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

CVE-2026-41506

openSUSE-SU-2026:10830-1: trivy-0.70.0-2.1 on GA media

CVE-2026-33814 · CVE-2026-41506

openSUSE-SU-2026:21899-1: Security update for alloy

CVE-2026-10722 · CVE-2026-1229 · CVE-2026-33814 · CVE-2026-39821 · CVE-2026-41506 · CVE-2026-41606 · CVE-2026-41607

SUSE-SU-2026:22242-1: Security update for google-osconfig-agent

CVE-2023-45288 · CVE-2024-45339 · CVE-2025-22868 · CVE-2025-47911 · CVE-2025-58190 · CVE-2026-33186 · CVE-2026-33814 · CVE-2026-34986 · CVE-2026-39821 · CVE-2026-39827 · CVE-2026-39828 · CVE-2026-39829 · CVE-2026-39830 · CVE-2026-39831 · CVE-2026-39832 · CVE-2026-39833 · CVE-2026-39834 · CVE-2026-39835 · CVE-2026-41506 · CVE-2026-42508 · CVE-2026-46595 · CVE-2026-46597 · CVE-2026-46598

openSUSE-SU-2026:21079-1: Security update for amazon-ssm-agent

openSUSE-SU-2026:10967-1: cheat-5.1.0-2.1 on GA media

CVE-2026-1229 · CVE-2026-39827 · CVE-2026-41506 · CVE-2026-42508 · CVE-2026-44740 · CVE-2026-46598

openSUSE-SU-2026:10803-1: git-bug-0.10.1-4.1 on GA media

CVE-2026-1229 · CVE-2026-41506

SUSE-SU-2026:2665-1: Security update for google-osconfig-agent

CVE-2026-33186 · CVE-2026-33814 · CVE-2026-34986 · CVE-2026-39821 · CVE-2026-39827 · CVE-2026-39828 · CVE-2026-39829 · CVE-2026-39830 · CVE-2026-39831 · CVE-2026-39832 · CVE-2026-39833 · CVE-2026-39834 · CVE-2026-39835 · CVE-2026-41506 · CVE-2026-42508 · CVE-2026-46595 · CVE-2026-46597 · CVE-2026-46598

SUSE-SU-2026:23853-1: Security update for alloy

CVE-2026-10722 · CVE-2026-1229 · CVE-2026-33814 · CVE-2026-39821 · CVE-2026-41506 · CVE-2026-41606 · CVE-2026-41607

openSUSE-SU-2026:10765-1: amazon-ssm-agent-3.3.4268.0-2.1 on GA media

CVE-2026-41506

openSUSE-SU-2026:20770-1: Security update for git-bug

CVE-2026-1229 · CVE-2026-41506

RHSA-2026:35111: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

CVE-2026-32285 · CVE-2026-41506 · CVE-2026-44740 · CVE-2026-46680 · CVE-2026-47262 · CVE-2026-48702 · CVE-2026-50195 · CVE-2026-53488

SUSE-SU-2026:22249-1: Security update for google-osconfig-agent

SUSE-SU-2026:23865-1: Security update for alloy

CVE-2026-10722 · CVE-2026-1229 · CVE-2026-33814 · CVE-2026-39821 · CVE-2026-41506 · CVE-2026-41606 · CVE-2026-41607

openSUSE-SU-2026:21210-1: Security update for google-osconfig-agent

openSUSE-SU-2026:20809-1: Security update for trivy

CVE-2025-64702 · CVE-2025-69725 · CVE-2026-25934 · CVE-2026-33186 · CVE-2026-33747 · CVE-2026-33748 · CVE-2026-34986 · CVE-2026-39984 · CVE-2026-41506

Source published: May 8, 2026, 1:43:19 PM (timezone not stated)
Source modified: May 11, 2026, 6:50:50 PM (timezone not stated)
Saved here: 13 Nov 2026 15:59:49 UTC
Source terms: ENISA EUVD · source terms and attribution apply

Original source record · Cite this exact observation · Complete original publisher JSON

Source: euvd · ENISA EUVD · source terms and attribution apply. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

EUVD CVSS 3.1 · 4.7 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N

nvd · CVE-2026-41506

Published

Additional publisher context

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Analyzed

Weakness classifications: CWE-522

Original publisher date fields

published: 2026-05-08T14:16:33.983

lastModified: 2026-11-11T20:10:00.273

2 source CPE criteria · context only

cpe:2.3:a:go-git_project:go-git:*:*:*:*:*:go:*:*
cpe:2.3:a:go-git_project:go-git:6.0.0:alpha1:*:*:*:go:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

Source published: 8 May 2026 14:16:33 UTC
Source modified: 11 Nov 2026 20:10:00 UTC
Saved here: 12 Nov 2026 15:19:01 UTC
Source terms: NIST NVD usage terms; underlying source attribution retained

Original source record · Cite this exact observation · Complete original publisher JSON

Source: nvd · NIST NVD usage terms; underlying source attribution retained. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 3.1 · [email protected] · Secondary · 4.7 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N

CVSS 3.1 · [email protected] · Primary · 7.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N

osv · GHSA-3xc5-wrhm-f963

Published

### Impact `go-git` may leak HTTP authentication credentials when following redirects during smart-HTTP clone and fetch operations. If a remote repository responds to the initial `/info/refs` request with a redirect to a different host, go-git updates the session endpoint to the redirected location and reuses the original authentication for subsequent requests. This can result in the credentials (e.g. Authorization headers) being sent to an unintended host. An attacker controlling or influencing the redirect target can capture these credentials and potentially reuse them to access the victim’s repositories or other resources, depending on the scope of the credential. **Clients using `go-git` exclusively with trusted remotes (for example, GitHub or GitLab), and over a secure HTTPS connection, are not affected by this issue.** The risk arises when interacting with untrusted or misconfigured Git servers, or when using unsecured HTTP connections, which is not recommended. Such configurations also expose clients to a broader class of security risks beyond this issue, including credential interception and tampering of repository data. ### Patches Users should upgrade to `v5.18.0`, or `v6.0.0-alpha.2`, in order to mitigate this vulnerability. Versions prior to v5 are likely to be affected, users are recommended to upgrade to a supported `go-git` version. The patched versions add support for configuring [followRedirects](https://git-scm.com/docs/git-config#Documentation/git-config.txt-httpfollowRedirects). In line with upstream behaviour, the default is now `initial`, while users can opt into `FollowRedirects` or `NoFollowRedirects` programmatically. ### Credit Thanks to the 3 separate reports from @celinke97, @N0zoM1z0 and @AyushParkara. Thanks for finding and reporting this issue privately to the `go-git` project. :bow:

Source published: 17 Apr 2026 22:31:35 UTC
Source modified: 10 Sep 2026 03:50:42 UTC
Saved here: 24 Oct 2026 13:19:41 UTC
Source terms: GitHub Advisory Database · CC-BY-4.0

Original source record · Cite this exact observation · Complete original publisher JSON

Source: osv · GitHub Advisory Database · CC-BY-4.0. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS_V3 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N

Publisher rating · MODERATE

osv · GO-2026-5105

Published

Go-git: Credential leak via cross-host redirect in smart HTTP transport in github.com/go-git/go-git

Source published: 24 Jul 2026 18:35:55 UTC
Source modified: 8 Aug 2026 21:41:52 UTC
Saved here: 24 Oct 2026 13:19:41 UTC
Source terms: OSV · upstream source license applies

Original source record · Cite this exact observation · Complete original publisher JSON

Source: osv · OSV · upstream source license applies. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.