MISP: Mehrere Schwachstellen
WID-SEC-2026-3705 · first 02.10.2026 · updated 02.10.2026 · CVSS 9,1
What it is about
MISP ist eine Open-Source-Plattform für den Informationsaustausch über Bedrohungen. Ein Angreifer kann mehrere Schwachstellen in MISP ausnutzen, um erweiterte Berechtigungen zu erlangen, beliebigen Code auszuführen, Daten offenzulegen und zu manipulieren oder Cross-Site-Scripting-Angriffe durchzuführen.
Under what conditions?
The BSI does not name any particular preconditions. Exploitable remotely according to the BSI.
What can happen in the worst case
An attacker could use the vulnerability to
- erweiterte Berechtigungen zu erlangen
- beliebigen Code auszuführen
- Daten offenzulegen und zu manipulieren oder Cross-Site-Scripting-Angriffe durchzuführen
Am I affected?
Affected according to the BSI:
- Open Source MISP <2.5.48
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Open Source MISP 2.5.48
Is the vulnerability already being exploited?
None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.
Information and sources
- Original BSI advisory (WID)
- GitHub Advisory Database vom 2026-10-01 github.com
- GitHub Advisory Database vom 2026-10-01 github.com
- GitHub Advisory Database vom 2026-10-01 github.com
- GitHub Advisory Database vom 2026-10-01 github.com
- GitHub Advisory Database vom 2026-10-01 github.com
- GitHub Advisory Database vom 2026-10-01 github.com
CVE: CVE-2026-103651, CVE-2026-103655, CVE-2026-103659, CVE-2026-103662, CVE-2026-103664, CVE-2026-103858
Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.