{
  "containers": {
    "cna": {
      "affected": [
        {
          "collectionURL": "https://crates.io",
          "defaultStatus": "unaffected",
          "modules": [
            "sparse index"
          ],
          "packageName": "cargo",
          "product": "Cargo",
          "repo": "https://github.com/rust-lang/cargo",
          "vendor": "Rust",
          "versions": [
            {
              "lessThan": "1.96.0",
              "status": "affected",
              "version": "1.68.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cdiv\u003eCargo between 1.68 and 1.96 incorrectly normalized the URLs of third-party registries using the sparse index protocol. If a hosting provider allowed multiple registries to be hosted with arbitrary names within the same domain, an attacker able to publish crates in a registry could obtain the credentials of others users of the same registry.\u0026nbsp;The severity of the vulnerability is **low**, due to the extremely niche requirements needed to achieve the attack.\u003c/div\u003e"
            }
          ],
          "value": "Cargo between 1.68 and 1.96 incorrectly normalized the URLs of third-party registries using the sparse index protocol. If a hosting provider allowed multiple registries to be hosted with arbitrary names within the same domain, an attacker able to publish crates in a registry could obtain the credentials of others users of the same registry.\u00a0The severity of the vulnerability is **low**, due to the extremely niche requirements needed to achieve the attack."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 2.3,
            "baseSeverity": "LOW",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "LOW",
            "subIntegrityImpact": "NONE",
            "userInteraction": "PASSIVE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-647",
              "description": "CWE-647 Use of Non-Canonical URL paths for authorization decisions",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-25T08:54:56.348Z",
        "orgId": "986d4109-89ea-491f-99fd-a8e4803919bd",
        "shortName": "rust"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory",
            "mailing-list"
          ],
          "url": "https://groups.google.com/g/rustlang-security-announcements/c/SfUxOiIdY5s"
        },
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://blog.rust-lang.org/2026/05/25/cve-2026-5222/"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/rust-lang/cargo/pull/17031"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Rust 1.96, to be released on May 28th, 2026, will update Cargo to only strip the `.git` suffix from registry URLs using the git protocol. No mitigations are available for users of older versions of Cargo."
            }
          ],
          "value": "Rust 1.96, to be released on May 28th, 2026, will update Cargo to only strip the `.git` suffix from registry URLs using the git protocol. No mitigations are available for users of older versions of Cargo."
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Cargo can be coerced to share credentials between registries",
      "x_generator": {
        "engine": "Vulnogram 1.0.2"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "986d4109-89ea-491f-99fd-a8e4803919bd",
    "assignerShortName": "rust",
    "cveId": "CVE-2026-5222",
    "datePublished": "2026-05-25T08:54:56.348Z",
    "dateReserved": "2026-03-31T12:07:40.168Z",
    "dateUpdated": "2026-05-25T08:54:56.348Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-5222",
      "date": "2026-05-25",
      "epss": "0.00039",
      "percentile": "0.11706"
    }
  }
}