Medium severity4.3NVD Advisory· Published Aug 5, 2026· Updated Aug 26, 2026
CVE-2026-71250
CVE-2026-71250
Description
Firefly III's webhook URL validator (IsValidWebhookUrl.php) filters most private/reserved IPv4 ranges but contains an explicit early-return that allows any resolved address in 127.0.0.0/8, permitting an authenticated user (with webhooks enabled, which is off by default) to configure a webhook targeting loopback services on the server.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1Patches
Vulnerability mechanics
News mentions
0No linked articles in our index yet.