CVE-2026-50127Medium· 5.9▾ SunlitWeblate SSRF: outbound URL guard misses some private ranges
▾ Sunlit zone — Low / medium · no exploitation signal
impact 32.5 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Jul 8.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via GHSA
0.3%
0.3% → 0.3%
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.
The issue was reported by @tonghuaroot via GitHub, and the same user also provided the initial patch.
weblate >= 5.15, < 2026.6Upgrade to a patched release:
weblate 2026.6Connected by shared product, vendor, weakness, or advisory.
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