{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-5222", "assignerOrgId": "986d4109-89ea-491f-99fd-a8e4803919bd", "state": "PUBLISHED", "assignerShortName": "rust", "dateReserved": "2026-03-31T12:07:40.168Z", "datePublished": "2026-05-25T08:54:56.348Z", "dateUpdated": "2026-05-25T08:54:56.348Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "986d4109-89ea-491f-99fd-a8e4803919bd", "shortName": "rust", "dateUpdated": "2026-05-25T08:54:56.348Z"}, "title": "Cargo can be coerced to share credentials between registries", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-647", "description": "CWE-647 Use of Non-Canonical URL paths for authorization decisions", "type": "CWE"}]}], "affected": [{"vendor": "Rust", "product": "Cargo", "collectionURL": "https://crates.io", "packageName": "cargo", "repo": "https://github.com/rust-lang/cargo", "modules": ["sparse index"], "versions": [{"status": "affected", "version": "1.68.0", "lessThan": "1.96.0", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "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.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<div>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.&nbsp;The severity of the vulnerability is **low**, due to the extremely niche requirements needed to achieve the attack.</div>"}]}], "references": [{"url": "https://groups.google.com/g/rustlang-security-announcements/c/SfUxOiIdY5s", "tags": ["vendor-advisory", "mailing-list"]}, {"url": "https://blog.rust-lang.org/2026/05/25/cve-2026-5222/", "tags": ["vendor-advisory"]}, {"url": "https://github.com/rust-lang/cargo/pull/17031", "tags": ["patch"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "LOW", "subConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "LOW", "baseScore": 2.3, "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"}}], "solutions": [{"lang": "en", "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.", "supportingMedia": [{"type": "text/html", "base64": false, "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"}, "x_generator": {"engine": "Vulnogram 1.0.2"}}}}

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