EUVD-2026-67271
GHSA-6wvf-77m9-58rm
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Unauthenticated network-reachable SSTI yielding OS command execution gives AV:N/AC:L/PR:N/UI:N with full C:H/I:H/A:H on the proxy host.
Primary rating from Vendor (mitre).
CVSS VectorVendor: mitre
Lifecycle Timeline
5Blast Radius
ecosystem impact- 14 pypi packages depend on litellm (12 direct, 2 indirect)
Ecosystem-wide dependent count for version 1.83.7.
DescriptionCVE.org
BerriAI litellm <=1.82.4 is vulnerable to Server-Side Template Injection (SSTI), which allows unauthenticated remote attackers to execute arbitrary OS commands via a crafted dotprompt_content parameter in the /prompts/test endpoint due to use of an unsandboxed jinja2.Environment.
AnalysisAI
Unauthenticated remote code execution affects BerriAI litellm through version 1.82.4, where the /prompts/test endpoint renders the attacker-supplied dotprompt_content parameter through an unsandboxed jinja2.Environment. Because no authentication is required and templates are evaluated server-side, an attacker can inject a Jinja2 payload that escapes into Python and runs arbitrary OS commands on the proxy host. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires network reachability to the litellm proxy's /prompts/test endpoint and the ability to submit the dotprompt_content parameter; per CVSS PR:N/UI:N no authentication or user interaction is needed against affected versions (<=1.82.4). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The signals are largely aligned toward high severity: the CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N, C:H/I:H/A:H = 9.8) describes network-reachable, low-complexity, unauthenticated exploitation with full impact, and SSTI-to-RCE is a well-understood and reliably automatable class. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade litellm to a release later than 1.82.4 that replaces the unsandboxed jinja2.Environment on the /prompts/test path; the exact patched version is not confirmed in the provided data, so consult the BerriAI/litellm GitHub releases and the linked source file for the fixed commit before deploying (Upstream fix location identified in source; released patched version not independently confirmed). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: immediately restrict network access to the /prompts/test endpoint to trusted internal networks only using firewall rules or WAF policies, and audit all external-facing litellm deployments for potential exposure. …
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External POC / Exploit Code
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