CVE-2026-63088
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.
Debilidad
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.
Referencias
- https://github.com/stoatchat/stoatchat/releases/tag/v0.14.0
- https://github.com/stoatchat/stoatchat/security/advisories/GHSA-4mcc-p83c-r77q
- https://github.com/stoatchat/stoatchat/security/advisories/GHSA-xhww-5g9p-vvq5
- https://www.vulncheck.com/advisories/stoatchat-ssrf-via-dns-based-ip-blocklist-bypass
- https://github.com/stoatchat/stoatchat/security/advisories/GHSA-4mcc-p83c-r77q
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