NVD Vulnerability Detail
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CVE-2026-53837
Summary

OpenClaw before 2026.5.6 contains an improper access control vulnerability in Mattermost event handlers that fails to validate channel type metadata. Attackers can bypass intended DM policy decisions by sending crafted Mattermost events missing channel type information to process restricted content.

Publication Date June 13, 2026, 7:16 a.m.
Registration Date June 14, 2026, 4:11 a.m.
Last Update June 13, 2026, 7:16 a.m.
CVSS3.1 : LOW
スコア 3.7
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/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) 不要
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) なし
完全性への影響(I)
可用性への影響(A) なし
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