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Vulnerabilities CVE-2026-69114

CVE-2026-69114

High
Open
TLP:CLEAR

Spacebar Server Cross-Channel Message Deletion via Permission Check Bypass

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Description

Spacebar Server before commit 8d126f4 contains a cross-channel message deletion vulnerability in the single-delete and bulk-delete message handlers that fail to scope message queries to the requested channel. Authenticated users with MANAGE_MESSAGES permission in any controlled channel can delete arbitrary messages in other channels by routing delete requests through their own channel.

Details

CVSS Score
7.1
EPSS Score
0.28%

20th percentile

CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Confidence
90%
Published
Aug 10, 2026
Last Modified
Aug 11, 2026
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