NVD Vulnerability Detail
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CVE-2026-56227
Summary

Capgo before 12.128.2 contains a server-side request forgery vulnerability in webhook URL validation that allows loopback and internal addresses. Organization admins can configure webhooks pointing to localhost or 127.0.0.1, and when triggered, the backend performs outbound requests to these addresses with error responses disclosed to users.

Publication Date June 21, 2026, 1:17 a.m.
Registration Date June 27, 2026, 4:07 a.m.
Last Update June 23, 2026, 3:36 a.m.
CVSS3.1 : MEDIUM
スコア 5.4
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
攻撃元区分(AV) ネットワーク
攻撃条件の複雑さ(AC)
攻撃に必要な特権レベル(PR)
利用者の関与(UI) 不要
影響の想定範囲(S) 変更なし
機密性への影響(C)
完全性への影響(I)
可用性への影響(A) なし
Related information, measures and tools
Common Vulnerabilities List