7.4

CVE-2026-41506: go-git Credential leak via cross-host redirect in smart HTTP transport

Analyzed
AliasesRHSA-2026:17669UBUNTU-CVE-2026-41506DEBIAN-CVE-2026-41506
Published 08-05-2026Last modified 11-05-2026

Vulnerability summary

CVE-2026-41506 is a high (CVSS 7.4) Insufficiently Protected Credentials vulnerability in go-git_project go-git. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 17.6% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 4.7, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.4/10
010
High · v3.1 (NVD)
EPSS score
0.26%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 23 · Related 23

Timeline

  1. 08-05-2026
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

8 scores · 8 sources · 1 version

EPSS trend

Probability

0.26%

Chance of exploitation in the next 30 days

Percentile

18%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.26% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.

Chainguard200 products
  • act< 0.2.87-r3
  • amazon-ssm-agent< 3.3.3270.0-r13
  • amazon-ssm-agent-ecs-exec< 3.3.3270.0-r13
  • amazon-ssm-agent-ecs-exec-fips< 3.3.3270.0-r14
  • amazon-ssm-agent-fips< 3.3.3270.0-r14

1 vendor · 200 products · Showing 200 of 365

References

16 links
Show all 16 references