Mattermost: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff
Multiple unspecified vulnerabilities have been identified in Mattermost versions prior to 11.7.0. These vulnerabilities could potentially allow attacks, but specific attack vectors and impacts are not detailed in the available information. No known exploits are reported in the wild. The vulnerabilities are documented by the Bundesamt für Sicherheit in der Informationstechnik. There is no CVSS score or detailed technical description available to assess the exact nature of the weaknesses. Patch availability is not confirmed in the provided data. Users of Mattermost versions below 11.7.
AI Analysis
Technical Summary
Mattermost, a web-based instant messaging service, has multiple vulnerabilities identified under CVE-2026-4055, CVE-2026-4646, and CVE-2026-4858 affecting versions prior to 11.7.0. The Bundesamt für Sicherheit in der Informationstechnik published these findings, but no detailed technical information or CVSS scores are provided. The vulnerabilities are unspecified in nature, and no known exploits have been reported. Patch status is not indicated in the available data.
Potential Impact
The impact is currently unclear due to lack of detailed vulnerability descriptions and absence of known exploits. Potentially, these vulnerabilities could allow attackers to compromise the affected Mattermost installations, but no specific impact scenarios are documented.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory (Bundesamt für Sicherheit in der Informationstechnik, advisory ID WID-SEC-W-2026-1173) for current remediation guidance. Until official patches or fixes are available, users should monitor vendor communications and apply updates once released.
Mattermost: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff
Description
Multiple unspecified vulnerabilities have been identified in Mattermost versions prior to 11.7.0. These vulnerabilities could potentially allow attacks, but specific attack vectors and impacts are not detailed in the available information. No known exploits are reported in the wild. The vulnerabilities are documented by the Bundesamt für Sicherheit in der Informationstechnik. There is no CVSS score or detailed technical description available to assess the exact nature of the weaknesses. Patch availability is not confirmed in the provided data. Users of Mattermost versions below 11.7.
Affected software
pkg:github/mattermost/mattermost-serverRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Mattermost, a web-based instant messaging service, has multiple vulnerabilities identified under CVE-2026-4055, CVE-2026-4646, and CVE-2026-4858 affecting versions prior to 11.7.0. The Bundesamt für Sicherheit in der Informationstechnik published these findings, but no detailed technical information or CVSS scores are provided. The vulnerabilities are unspecified in nature, and no known exploits have been reported. Patch status is not indicated in the available data.
Potential Impact
The impact is currently unclear due to lack of detailed vulnerability descriptions and absence of known exploits. Potentially, these vulnerabilities could allow attackers to compromise the affected Mattermost installations, but no specific impact scenarios are documented.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory (Bundesamt für Sicherheit in der Informationstechnik, advisory ID WID-SEC-W-2026-1173) for current remediation guidance. Until official patches or fixes are available, users should monitor vendor communications and apply updates once released.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_base
- Csaf Version
- 2.0
- Publisher
- Bundesamt für Sicherheit in der Informationstechnik
- Advisory Id
- WID-SEC-W-2026-1173
- Cve Count
- 3
- Additional Cves
- ["CVE-2026-4646","CVE-2026-4858"]
- Cvss Version
- null
Threat ID: 6a16098de29bf47b506548d7
Added to database: 05/26/2026, 20:58:53 UTC
Last enriched: 05/26/2026, 22:41:05 UTC
Last updated: 07/31/2026, 19:22:59 UTC
Views: 60
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