CVE-2026-69114

Spacebar Server Cross-Channel Message Deletion via Permission Check Bypass

MEDIUM
6.5
CVSS Score
Published: August 10, 2026 at 07:28 PM UTC
Updated: September 17, 2026 at 06:17 PM UTC
1 product affected across 1 vendorSpacebar Server

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.4%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 8d126f401914d68fa8a97f7e5986dcfcc42de9a8

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-639

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