CVE-2026-69114CWE-639

CVE-2026-69114

Medium · published August 11, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
31.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00389 · 31.8th percentile
Weakness
CWE-639 · Authorization Bypass Through User-Controlled Key
Published
2026-08-11T00:17Z
References (5)
https://github.com/spacebarchat/server/commit/8d126f401914d68fa8a97f7e5986dcfcc42de9a8 · [email protected]https://github.com/spacebarchat/server/issues/1685 · [email protected]https://github.com/spacebarchat/server/security/advisories/GHSA-62g6-28hv-h6hc · [email protected]https://www.vulncheck.com/advisories/spacebar-server-cross-channel-message-deletion-via-permission-check-bypass · [email protected]https://github.com/spacebarchat/server/security/advisories/GHSA-62g6-28hv-h6hc · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 10 AUG 19:28Z
    Spacebar Server Cross-Channel Message Deletion via Permission Check Bypass
    cvelistv5