{
	"document":{
		"aggregate_severity":{
			"namespace":"https://nvd.nist.gov/vuln-metrics/cvss",
			"text":"HIGH"
		},
		"category":"csaf_vex",
		"csaf_version":"2.0",
		"distribution":{
			"tlp":{
				"label":"WHITE",
				"url":"https:/www.first.org/tlp/"
			}
		},
		"lang":"en",
		"notes":[
			{
				"text":"A malicious GOPROXY was previously capable of forging up to two sumdb tiles that allow for a requested module to bypass the GOSUMDB check and persist attacker-controlled module content to a local Go module cache. This attack allows for a malicious GOPROXY to serve malicious module content that cannot be detected by evaluating the transparency log. All tiles are now correctly verified against their parents. In order to determine if you have been affected:   rm -r go.sum go.work.sum vendor/ && go mod tidy",
				"category":"general",
				"title":"Synopsis"
			}
		],
		"publisher":null,
		"references":[
			{
				"summary":"nvd cve",
				"category":"external",
				"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56865"
			},
			{
				"summary":"CVE-2026-56865 vex file",
				"category":"self",
				"url":"https://repo.openeuler.org/security/data/csaf/cve/2026/csaf-openeuler-cve-2026-56865.json"
			},
			{
				"summary":"openEuler-SA-2026-3718",
				"category":"self",
				"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3718"
			},
			{
				"summary":"CVE-2026-56865",
				"category":"self",
				"url":"https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-56865&packageName=golang"
			}
		],
		"title":"openEuler cve CVE-2026-56865",
		"tracking":{
			"initial_release_date":"2026-09-16T18:04:57+08:00",
			"revision_history":[
				{
					"date":"2026-09-16T18:04:57+08:00",
					"summary":"Initial",
					"number":"1.0.0"
				}
			],
			"generator":{
				"date":"2026-09-16T18:04:57+08:00",
				"engine":{
					"name":"openEuler CSAF Tool V1.0"
				}
			},
			"current_release_date":"2026-09-16T18:04:57+08:00",
			"id":"CVE-2026-56865",
			"version":"1.0.0",
			"status":"interim"
		}
	},
	"product_tree":{
		"branches":[
			{
				"name":"openEuler",
				"category":"vendor",
				"branches":[
					{
						"name":"openEuler",
						"branches":[
							{
								"product":{
									"product_identification_helper":{
										"cpe":"cpe:/a:openEuler:openEuler:24.03-LTS-SP4"
									},
									"product_id":"openEuler-24.03-LTS-SP4",
									"name":"openEuler-24.03-LTS-SP4"
								},
								"name":"openEuler-24.03-LTS-SP4",
								"category":"product_version"
							}
						],
						"category":"product_name"
					},
					{
						"name":"x86_64",
						"branches":[
							{
								"product":{
									"product_identification_helper":{
										"cpe":"cpe:/a:openEuler:openEuler:24.03-LTS-SP4"
									},
									"product_id":"golang-1.21.4-51.oe2403sp4.x86_64.rpm",
									"name":"golang-1.21.4-51.oe2403sp4.x86_64.rpm"
								},
								"name":"golang-1.21.4-51.oe2403sp4.x86_64.rpm",
								"category":"product_version"
							}
						],
						"category":"architecture"
					},
					{
						"name":"noarch",
						"branches":[
							{
								"product":{
									"product_identification_helper":{
										"cpe":"cpe:/a:openEuler:openEuler:24.03-LTS-SP4"
									},
									"product_id":"golang-devel-1.21.4-51.oe2403sp4.noarch.rpm",
									"name":"golang-devel-1.21.4-51.oe2403sp4.noarch.rpm"
								},
								"name":"golang-devel-1.21.4-51.oe2403sp4.noarch.rpm",
								"category":"product_version"
							},
							{
								"product":{
									"product_identification_helper":{
										"cpe":"cpe:/a:openEuler:openEuler:24.03-LTS-SP4"
									},
									"product_id":"golang-help-1.21.4-51.oe2403sp4.noarch.rpm",
									"name":"golang-help-1.21.4-51.oe2403sp4.noarch.rpm"
								},
								"name":"golang-help-1.21.4-51.oe2403sp4.noarch.rpm",
								"category":"product_version"
							}
						],
						"category":"architecture"
					},
					{
						"name":"aarch64",
						"branches":[
							{
								"product":{
									"product_identification_helper":{
										"cpe":"cpe:/a:openEuler:openEuler:24.03-LTS-SP4"
									},
									"product_id":"golang-1.21.4-51.oe2403sp4.aarch64.rpm",
									"name":"golang-1.21.4-51.oe2403sp4.aarch64.rpm"
								},
								"name":"golang-1.21.4-51.oe2403sp4.aarch64.rpm",
								"category":"product_version"
							}
						],
						"category":"architecture"
					},
					{
						"name":"src",
						"branches":[
							{
								"product":{
									"product_identification_helper":{
										"cpe":"cpe:/a:openEuler:openEuler:24.03-LTS-SP4"
									},
									"product_id":"golang-1.21.4-51.oe2403sp4.src.rpm",
									"name":"golang-1.21.4-51.oe2403sp4.src.rpm"
								},
								"name":"golang-1.21.4-51.oe2403sp4.src.rpm",
								"category":"product_version"
							}
						],
						"category":"architecture"
					}
				]
			}
		],
		"relationships":[
			{
				"relates_to_product_reference":"openEuler-24.03-LTS-SP4",
				"product_reference":"golang-1.21.4-51.oe2403sp4.x86_64.rpm",
				"full_product_name":{
					"product_id":"openEuler-24.03-LTS-SP4:golang-1.21.4-51.oe2403sp4.x86_64",
					"name":"golang-1.21.4-51.oe2403sp4.x86_64 as a component of openEuler-24.03-LTS-SP4"
				},
				"category":"default_component_of"
			},
			{
				"relates_to_product_reference":"openEuler-24.03-LTS-SP4",
				"product_reference":"golang-devel-1.21.4-51.oe2403sp4.noarch.rpm",
				"full_product_name":{
					"product_id":"openEuler-24.03-LTS-SP4:golang-devel-1.21.4-51.oe2403sp4.noarch",
					"name":"golang-devel-1.21.4-51.oe2403sp4.noarch as a component of openEuler-24.03-LTS-SP4"
				},
				"category":"default_component_of"
			},
			{
				"relates_to_product_reference":"openEuler-24.03-LTS-SP4",
				"product_reference":"golang-help-1.21.4-51.oe2403sp4.noarch.rpm",
				"full_product_name":{
					"product_id":"openEuler-24.03-LTS-SP4:golang-help-1.21.4-51.oe2403sp4.noarch",
					"name":"golang-help-1.21.4-51.oe2403sp4.noarch as a component of openEuler-24.03-LTS-SP4"
				},
				"category":"default_component_of"
			},
			{
				"relates_to_product_reference":"openEuler-24.03-LTS-SP4",
				"product_reference":"golang-1.21.4-51.oe2403sp4.aarch64.rpm",
				"full_product_name":{
					"product_id":"openEuler-24.03-LTS-SP4:golang-1.21.4-51.oe2403sp4.aarch64",
					"name":"golang-1.21.4-51.oe2403sp4.aarch64 as a component of openEuler-24.03-LTS-SP4"
				},
				"category":"default_component_of"
			},
			{
				"relates_to_product_reference":"openEuler-24.03-LTS-SP4",
				"product_reference":"golang-1.21.4-51.oe2403sp4.src.rpm",
				"full_product_name":{
					"product_id":"openEuler-24.03-LTS-SP4:golang-1.21.4-51.oe2403sp4.src",
					"name":"golang-1.21.4-51.oe2403sp4.src as a component of openEuler-24.03-LTS-SP4"
				},
				"category":"default_component_of"
			}
		]
	},
	"vulnerabilities":[
		{
			"cve":"CVE-2026-56865",
			"notes":[
				{
					"text":"A malicious GOPROXY was previously capable of forging up to two sumdb tiles that allow for a requested module to bypass the GOSUMDB check and persist attacker-controlled module content to a local Go module cache. This attack allows for a malicious GOPROXY to serve malicious module content that cannot be detected by evaluating the transparency log. All tiles are now correctly verified against their parents. In order to determine if you have been affected:   rm -r go.sum go.work.sum vendor/ && go mod tidy",
					"category":"description",
					"title":"Vulnerability Description"
				}
			],
			"product_status":{
				"fixed":[
					"openEuler-24.03-LTS-SP4:golang-1.21.4-51.oe2403sp4.x86_64",
					"openEuler-24.03-LTS-SP4:golang-devel-1.21.4-51.oe2403sp4.noarch",
					"openEuler-24.03-LTS-SP4:golang-help-1.21.4-51.oe2403sp4.noarch",
					"openEuler-24.03-LTS-SP4:golang-1.21.4-51.oe2403sp4.aarch64",
					"openEuler-24.03-LTS-SP4:golang-1.21.4-51.oe2403sp4.src"
				]
			},
			"remediations":[
				{
					"product_ids":[
						"openEuler-24.03-LTS-SP4:golang-1.21.4-51.oe2403sp4.x86_64",
						"openEuler-24.03-LTS-SP4:golang-devel-1.21.4-51.oe2403sp4.noarch",
						"openEuler-24.03-LTS-SP4:golang-help-1.21.4-51.oe2403sp4.noarch",
						"openEuler-24.03-LTS-SP4:golang-1.21.4-51.oe2403sp4.aarch64",
						"openEuler-24.03-LTS-SP4:golang-1.21.4-51.oe2403sp4.src"
					],
					"details":"golang security update",
					"category":"vendor_fix",
					"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3718"
				}
			],
			"scores":[
				{
					"cvss_v3":{
						"baseSeverity":"HIGH",
						"baseScore":8.4,
						"vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
						"version":"3.1"
					},
					"products":[
						"openEuler-24.03-LTS-SP4:golang-1.21.4-51.oe2403sp4.x86_64",
						"openEuler-24.03-LTS-SP4:golang-devel-1.21.4-51.oe2403sp4.noarch",
						"openEuler-24.03-LTS-SP4:golang-help-1.21.4-51.oe2403sp4.noarch",
						"openEuler-24.03-LTS-SP4:golang-1.21.4-51.oe2403sp4.aarch64",
						"openEuler-24.03-LTS-SP4:golang-1.21.4-51.oe2403sp4.src"
					]
				}
			],
			"threats":[
				{
					"details":"High",
					"category":"impact"
				}
			],
			"title":"CVE-2026-56865"
		}
	]
}