MISP: Mehrere Schwachstellen
WID-SEC-2026-3490 · first 22.09.2026 · updated 22.09.2026 · CVSS 8,8
What it is about
MISP ist eine Open-Source-Plattform für den Informationsaustausch über Bedrohungen. Ein Angreifer kann mehrere Schwachstellen in MISP ausnutzen, um seine Privilegien zu erhöhen, beliebigen Code auszuführen, Daten zu manipulieren oder offenzulegen sowie 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
- seine Privilegien zu erhöhen
- beliebigen Code auszuführen
- Daten zu manipulieren oder offenzulegen sowie Cross-Site-Scripting-Angriffe durchzuführen
Am I affected?
Affected according to the BSI:
- Open Source MISP <2.5.47
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 2.5.47
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)
- MISP 2.5.47 Release Notes vom 2026-09-21 github.com
- GitHub Security Advisory GHSA-8mcv-mp35-55rc vom 2026-09-21 github.com
- GitHub Security Advisory GHSA-gjxm-w8jp-9m59 vom 2026-09-21 github.com
- GitHub Security Advisory GHSA-6M7X-X7F7-6WJC vom 2026-09-21 github.com
- GitHub Security Advisory GHSA-QG5M-5M7W-MF5X vom 2026-09-21 github.com
- GitHub Security Advisory GHSA-3q8c-466v-vgx3 vom 2026-09-21 github.com
- GitHub Security Advisory GHSA-mw89-3hh7-vfpg vom 2026-09-21 github.com
- GitHub Security Advisory GHSA-8Q25-97Q9-G9WH vom 2026-09-21 github.com
- GitHub Security Advisory GHSA-rq8q-gvp5-cmqp vom 2026-09-21 github.com
- GitHub Security Advisory GHSA-CJ24-5F9W-VHX6 vom 2026-09-21 github.com
- GitHub Security Advisory GHSA-2JVM-986Q-589G vom 2026-09-21 github.com
- GitHub Security Advisory GHSA-g7f8-8jj3-3vcp vom 2026-09-21 github.com
CVE: CVE-2026-94277, CVE-2026-94372, CVE-2026-94373, CVE-2026-94374, CVE-2026-94379, CVE-2026-94381, CVE-2026-94383, CVE-2026-94393, CVE-2026-94394, CVE-2026-94401, CVE-2026-94404
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.