Riskcovery

CVE-2026-82906

sdcb chats Signed File Download Endpoint FileController.cs DownloadPublic missing authentication

State
Published
Severity
6.3 Medium
Published
Aug 31, 2026
Updated
Sep 1, 2026
Reserved
Aug 31, 2026

Read the record on cve.org

Description

A flaw has been found in sdcb chats up to 1.12.0. This impacts the function DownloadPublic of the file src/BE/web/Controllers/Chats/Files/FileController.cs of the component Signed File Download Endpoint. This manipulation causes missing authentication. Remote exploitation of the attack is possible. The attack's complexity is rated as high. The exploitability is said to be difficult. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Scores

CVSSScoreVectorSource
4.06.3 MediumCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:PVulDB
3.13.7 LowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:RVulDB
3.03.7 LowCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:RVulDB
2.02.6 LowAV:N/AC:H/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:URVulDB

Weaknesses

Affected Products

ProductVersions
chatssdcb
  • 1.0Affected
  • 1.1Affected
  • 1.2Affected
  • 1.3Affected
  • 1.4Affected
  • 1.5Affected
  • 1.6Affected
  • 1.7Affected
  • 1.8Affected
  • 1.9Affected
  • 1.10Affected
  • 1.11Affected
  • 1.12.0Affected

References

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