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No exploitation reportedFix available

CVE-2026-41506

No exploitation reported by the sources we read.

  • Published2026-05-08
  • Fixed in5.18.0
  • WeaknessCWE-522

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2026-05-0814:16CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2026-41506?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2026-41506?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV
Go-git project go-git
BranchAffectedFixed in
5.18< 5.18.05.18.0
6.0= 6.0.0no fix published
go-git/go-git
BranchAffectedFixed in
6.0< 6.0.0-alpha.26.0.0-alpha.2

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Go-git project go-git to 5.18.0

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • CISA-ADPSSVC decisionnone2026-05-11
  • OpenCVESSVC decisionnone—
  • CNACVSS 3.14.7read 2026-10-23
  • NVDCVSS 3.17.4read 2026-10-23
  • CNAweakness (CWE)CWE-522read 2026-10-23
  • FIRST EPSSEPSS score0.3 %2026-10-22
  • OSVaffected packages—

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
Published
2026-05-08
Last Modified
2026-06-17
NVD status
Analyzed

Frequently asked questions

What is CVE-2026-41506?

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.

Is CVE-2026-41506 actively exploited?

Active exploitation of CVE-2026-41506 has not been confirmed. Its EPSS score was 0.3% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-41506?

CVE-2026-41506 has a CVSS v3 base score of 7.4 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N.

Running go-git/go-git? Hear about its next vulnerability

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

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