{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-50139", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-03T18:49:32.275Z", "datePublished": "2026-08-18T15:01:36.900Z", "dateUpdated": "2026-08-18T15:01:36.900Z"}, "containers": {"cna": {"title": "goshs: Share-link ?token=\u2026 redemption races past download limit", "problemTypes": [{"descriptions": [{"cweId": "CWE-362", "lang": "en", "description": "CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/goshs-labs/goshs/security/advisories/GHSA-j48m-h7xq-2xpj", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/goshs-labs/goshs/security/advisories/GHSA-j48m-h7xq-2xpj"}], "affected": [{"vendor": "patrickhener", "product": "goshs", "versions": [{"version": "< 2.1.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-18T15:01:36.900Z"}, "descriptions": [{"lang": "en", "value": "goshs is a SimpleHTTPServer written in Go. Prior to version 2.1.0, `ShareHandler` reads the share token's `DownloadLimit` under `RLock`, releases the lock, serves the file, then re-acquires the lock to increment the counter. Concurrent requests all read the same `Downloaded`/`DownloadLimit` snapshot, all pass the check, and all are served \u2014 exceeding the operator's intended cap. Version 2.1.0 patches the issue."}], "source": {"advisory": "GHSA-j48m-h7xq-2xpj", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "goshs", "vendor": "patrickhener", "versions": [{"status": "affected", "version": "< 2.1.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "goshs is a SimpleHTTPServer written in Go. Prior to version 2.1.0, `ShareHandler` reads the share token's `DownloadLimit` under `RLock`, releases the lock, serves the file, then re-acquires the lock to increment the counter. Concurrent requests all read the same `Downloaded`/`DownloadLimit` snapshot, all pass the check, and all are served \u2014 exceeding the operator's intended cap. Version 2.1.0 patches the issue."}], "id": "CVE-2026-50139", "lastModified": "2026-08-18T15:16:54.733", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-08-18T15:16:54.733", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/goshs-labs/goshs/security/advisories/GHSA-j48m-h7xq-2xpj"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-362"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}