{"cve":"CVE-2026-50127","nvd":{"published":"2026-06-10T20:17:29.427","modified":"2026-10-26T11:10:00.157","status":"Deferred","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","score":5.9},"cwes":["CWE-918"],"references":["https://github.com/WeblateOrg/weblate/pull/19768","https://github.com/WeblateOrg/weblate/releases/tag/weblate-2026.6","https://github.com/WeblateOrg/weblate/security/advisories/GHSA-vmfc-9982-2m45"],"products":[],"source":"nvd","synced_at":"2026-10-26T11:33:08.859761529+00:00"},"epss":{"cve":"CVE-2026-50127","score":0.00308,"percentile":0.23394,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-vmfc-9982-2m45","url":"https://osv.dev/vulnerability/GHSA-vmfc-9982-2m45","summary":"Weblate SSRF: outbound URL guard misses some private ranges","modified":"2026-07-13T16:43:20.114561374Z","packages":[{"ecosystem":"PyPI","name":"weblate","purl":"pkg:pypi/weblate","ranges":[">=5.15 <2026.6"],"fixed":["2026.6"]}]},{"id":"PYSEC-2026-3416","url":"https://osv.dev/vulnerability/PYSEC-2026-3416","summary":"Weblate SSRF: outbound URL guard misses some private ranges","modified":"2026-07-13T16:32:10.367257081Z","packages":[{"ecosystem":"PyPI","name":"weblate","purl":"pkg:pypi/weblate","ranges":[">=5.15 <2026.6"],"fixed":["2026.6"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}