{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-50127", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-03T18:49:32.275Z", "datePublished": "2026-06-10T19:56:37.829Z", "dateUpdated": "2026-06-10T19:56:37.829Z"}, "containers": {"cna": {"title": "Weblate SSRF: outbound URL guard misses the NAT64 well-known prefix (64:ff9b::/96)", "problemTypes": [{"descriptions": [{"cweId": "CWE-918", "lang": "en", "description": "CWE-918: Server-Side Request Forgery (SSRF)", "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/WeblateOrg/weblate/security/advisories/GHSA-vmfc-9982-2m45", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/WeblateOrg/weblate/security/advisories/GHSA-vmfc-9982-2m45"}, {"name": "https://github.com/WeblateOrg/weblate/pull/19768", "tags": ["x_refsource_MISC"], "url": "https://github.com/WeblateOrg/weblate/pull/19768"}, {"name": "https://github.com/WeblateOrg/weblate/releases/tag/weblate-2026.6", "tags": ["x_refsource_MISC"], "url": "https://github.com/WeblateOrg/weblate/releases/tag/weblate-2026.6"}], "affected": [{"vendor": "WeblateOrg", "product": "weblate", "versions": [{"version": ">= 5.15, < 2026.6", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-06-10T19:56:37.829Z"}, "descriptions": [{"lang": "en", "value": "Weblate is a web based localization tool. From version 5.15 to before version 2026.6, Weblate's VCS_RESTRICT_PRIVATE did not properly account for some transitional IPv6 ranges, multicast addresses, or some semi-private IPv4 ranges, which allowed some addresses to bypass private range restrictions. This issue has been patched in version 2026.6."}], "source": {"advisory": "GHSA-vmfc-9982-2m45", "discovery": "UNKNOWN"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Weblate is a web based localization tool. From version 5.15 to before version 2026.6, Weblate's VCS_RESTRICT_PRIVATE did not properly account for some transitional IPv6 ranges, multicast addresses, or some semi-private IPv4 ranges, which allowed some addresses to bypass private range restrictions. This issue has been patched in version 2026.6."}], "id": "CVE-2026-50127", "lastModified": "2026-06-10T20:21:20.207", "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": "2026-06-10T20:17:29.427", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/WeblateOrg/weblate/pull/19768"}, {"source": "security-advisories@github.com", "url": "https://github.com/WeblateOrg/weblate/releases/tag/weblate-2026.6"}, {"source": "security-advisories@github.com", "url": "https://github.com/WeblateOrg/weblate/security/advisories/GHSA-vmfc-9982-2m45"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-918"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"created": "2026-06-10T21:30:36.609772+00:00", "updated": "2026-06-10T21:30:36.609783+00:00", "vendors": []}