CVE-2026-41506 (GCVE-0-2026-41506)

Vulnerability from cvelistv5 – Published: 2026-05-08 13:43 – Updated: 2026-05-11 18:50
VLAI
Title
go-git Credential leak via cross-host redirect in smart HTTP transport
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.
Severity
4.7 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-522 - Insufficiently Protected Credentials
Assigner
References
Impacted products
Vendor Product Version
go-git go-git Affected: < 5.18.0
Affected: < 6.0.0-alpha.2
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-41506",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-11T18:50:31.355827Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-11T18:50:50.673Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "go-git",
          "vendor": "go-git",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 5.18.0"
            },
            {
              "status": "affected",
              "version": "\u003c 6.0.0-alpha.2"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-522",
              "description": "CWE-522: Insufficiently Protected Credentials",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-08T13:43:19.911Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/go-git/go-git/security/advisories/GHSA-3xc5-wrhm-f963",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/go-git/go-git/security/advisories/GHSA-3xc5-wrhm-f963"
        },
        {
          "name": "https://github.com/go-git/go-git/releases/tag/v5.18.0",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/go-git/go-git/releases/tag/v5.18.0"
        },
        {
          "name": "https://github.com/go-git/go-git/releases/tag/v6.0.0-alpha.2",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/go-git/go-git/releases/tag/v6.0.0-alpha.2"
        }
      ],
      "source": {
        "advisory": "GHSA-3xc5-wrhm-f963",
        "discovery": "UNKNOWN"
      },
      "title": "go-git Credential leak via cross-host redirect in smart HTTP transport"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-41506",
    "datePublished": "2026-05-08T13:43:19.911Z",
    "dateReserved": "2026-04-20T18:18:50.681Z",
    "dateUpdated": "2026-05-11T18:50:50.673Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-41506",
      "date": "2026-07-20",
      "epss": "0.00259",
      "percentile": "0.17431"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-41506\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2026-05-08T14:16:33.983\",\"lastModified\":\"2026-06-17T10:46:48.920\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"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.\"}],\"affected\":[{\"source\":\"security-advisories@github.com\",\"affectedData\":[{\"vendor\":\"go-git\",\"product\":\"go-git\",\"versions\":[{\"version\":\"\u003c 5.18.0\",\"status\":\"affected\"},{\"version\":\"\u003c 6.0.0-alpha.2\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N\",\"baseScore\":4.7,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":1.4},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N\",\"baseScore\":7.4,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":4.0}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-05-11T18:50:31.355827Z\",\"id\":\"CVE-2026-41506\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-522\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:go-git_project:go-git:*:*:*:*:*:go:*:*\",\"versionEndExcluding\":\"5.18.0\",\"matchCriteriaId\":\"59076F74-E498-4166-A300-C75F25F00F68\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:go-git_project:go-git:6.0.0:alpha1:*:*:*:go:*:*\",\"matchCriteriaId\":\"DE1B5EEF-2491-4FDA-AAD5-338EF0AB58F2\"}]}]}],\"references\":[{\"url\":\"https://github.com/go-git/go-git/releases/tag/v5.18.0\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Product\",\"Release Notes\"]},{\"url\":\"https://github.com/go-git/go-git/releases/tag/v6.0.0-alpha.2\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Product\",\"Release Notes\"]},{\"url\":\"https://github.com/go-git/go-git/security/advisories/GHSA-3xc5-wrhm-f963\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Vendor Advisory\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-07-09T15:17:13+00:00",
      "cve": "CVE-2026-41506",
      "id": "CVE-2026-41506",
      "initial_release_date": "2026-05-08T13:43:19.911000+00:00",
      "product_status:fixed": "111",
      "product_status:known_affected": "222",
      "product_status:known_not_affected": "16",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "golang: github.com/go-git/go-git: go-git: Information disclosure of HTTP authentication credentials via redirects",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-41506.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-07-15T05:15:17Z",
      "cve": "CVE-2026-41506",
      "id": "CVE-2026-41506",
      "initial_release_date": "2026-05-12T03:31:48Z",
      "product_status:first_fixed": "120",
      "product_status:known_affected": "476",
      "product_status:known_not_affected": "301",
      "product_status:recommended": "69",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-41506",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-41506.json",
      "version": "14"
    },
    "vulnrichment": {
      "containers": "{\"cna\": {\"title\": \"go-git Credential leak via cross-host redirect in smart HTTP transport\", \"problemTypes\": [{\"descriptions\": [{\"cweId\": \"CWE-522\", \"lang\": \"en\", \"description\": \"CWE-522: Insufficiently Protected Credentials\", \"type\": \"CWE\"}]}], \"metrics\": [{\"cvssV3_1\": {\"attackComplexity\": \"LOW\", \"attackVector\": \"NETWORK\", \"availabilityImpact\": \"NONE\", \"baseScore\": 4.7, \"baseSeverity\": \"MEDIUM\", \"confidentialityImpact\": \"LOW\", \"integrityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"scope\": \"CHANGED\", \"userInteraction\": \"REQUIRED\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N\", \"version\": \"3.1\"}}], \"references\": [{\"name\": \"https://github.com/go-git/go-git/security/advisories/GHSA-3xc5-wrhm-f963\", \"tags\": [\"x_refsource_CONFIRM\"], \"url\": \"https://github.com/go-git/go-git/security/advisories/GHSA-3xc5-wrhm-f963\"}, {\"name\": \"https://github.com/go-git/go-git/releases/tag/v5.18.0\", \"tags\": [\"x_refsource_MISC\"], \"url\": \"https://github.com/go-git/go-git/releases/tag/v5.18.0\"}, {\"name\": \"https://github.com/go-git/go-git/releases/tag/v6.0.0-alpha.2\", \"tags\": [\"x_refsource_MISC\"], \"url\": \"https://github.com/go-git/go-git/releases/tag/v6.0.0-alpha.2\"}], \"affected\": [{\"vendor\": \"go-git\", \"product\": \"go-git\", \"versions\": [{\"version\": \"\u003c 5.18.0\", \"status\": \"affected\"}, {\"version\": \"\u003c 6.0.0-alpha.2\", \"status\": \"affected\"}]}], \"providerMetadata\": {\"orgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"shortName\": \"GitHub_M\", \"dateUpdated\": \"2026-05-08T13:43:19.911Z\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"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\": {\"advisory\": \"GHSA-3xc5-wrhm-f963\", \"discovery\": \"UNKNOWN\"}}, \"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-41506\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-05-11T18:50:31.355827Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-05-11T18:50:36.553Z\"}}]}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-41506\", \"assignerOrgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"state\": \"PUBLISHED\", \"assignerShortName\": \"GitHub_M\", \"dateReserved\": \"2026-04-20T18:18:50.681Z\", \"datePublished\": \"2026-05-08T13:43:19.911Z\", \"dateUpdated\": \"2026-05-11T18:50:50.673Z\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.