CVE-2026-50127 - Weblate SSRF: outbound URL guard misses the NAT64 well-known prefix (64:ff9b::/96)
CVE ID :CVE-2026-50127
Published : June 10, 2026, 8:17 p.m. | 1 hour, 11 minutes ago
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.
Severity: 5.9 | MEDIUM
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Published : June 10, 2026, 8:17 p.m. | 1 hour, 11 minutes ago
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.
Severity: 5.9 | MEDIUM
Visit the link for more details, such as CVSS details, affected products, timeline, and more...