CVE-2026-69114

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.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/spacebarchat/server/commit/8d126f401914d68fa8a97f7e5986dcfcc42de9a8
https://github.com/spacebarchat/server/issues/1685
https://github.com/spacebarchat/server/security/advisories/GHSA-62g6-28hv-h6hc
https://www.vulncheck.com/advisories/spacebar-server-cross-channel-message-deletion-via-permission-check-bypass
https://github.com/spacebarchat/server/security/advisories/GHSA-62g6-28hv-h6hc

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-10 20:17

Updated : 2026-09-17 18:17

NVD link : CVE-2026-69114

Mitre link : CVE-2026-69114

CVE.ORG link : CVE-2026-69114

JSON object : View

Products Affected

No product.

CWE

CWE-639

Authorization Bypass Through User-Controlled Key

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