LiteLLM: Schwachstelle ermöglicht Cross-Site Scripting
WID-SEC-2026-3697 · first 01.10.2026 · updated 01.10.2026 · CVSS 6,8
What it is about
LiteLLM ist ein Gateway, das eine einheitliche Schnittstelle für verschiedene Large Language Models (LLMs) bietet. Ein entfernter, anonymer Angreifer kann eine Schwachstelle in LiteLLM ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen.
Under what conditions?
Over the network and without logging in. This is the most dangerous combination: attackers can scan reachable devices automatically.
What can happen in the worst case
An attacker could use the vulnerability to
- einen Cross-Site Scripting Angriff durchzuführen
Am I affected?
Affected according to the BSI:
- Open Source LiteLLM <1.85.0
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Open Source LiteLLM 1.85.0
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
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.