CVE-2026-63088 – stoatchat < 0.14.0 SSRF via DNS-based IP Blocklist Bypass

​CVE ID :CVE-2026-63088

Published : July 16, 2026, 5:16 p.m. | 1 hour, 52 minutes ago

Description :stoatchat before 0.14.0 contains a server-side request forgery (SSRF) vulnerability that allows unauthenticated network-accessible attackers to bypass the DNS-based IP blocklist by exploiting incomplete address validation in the url_is_blacklisted function, which inspects only the first resolved address while the underlying HTTP client iterates all cached addresses.

Severity: 8.6 | HIGH

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