CVE-2024-2952Network attack vector

Unauthenticated code execution via unsandboxed Jinja templates

Published Apr 10, 2024 · Updated Aug 1, 2024

Server-side template injection in Berri AI LiteLLM before 1.34.42 allows remote attackers to execute server code via /completions. The hf_chat_template function loads chat_template from a model's tokenizer_config.json and renders it with an unrestricted Jinja environment. No authentication or user interaction is required; successful exploitation runs code with the LiteLLM process's privileges.

CVSS severity9.8
Critical
EPSS probability1.27%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Server-side template injection in Berri AI LiteLLM before 1.34.42 allows remote attackers to execute server code via /completions. The hf_chat_template function loads chat_template from a model's tokenizer_config.json and renders it with an unrestricted Jinja environment. No authentication or user interaction is required; successful exploitation runs code with the LiteLLM process's privileges.

The record

CVE
CVE-2024-2952
Published
Apr 10, 2024
Updated
Aug 1, 2024
Vendor
Berri AI
Product
LiteLLM
Classifications
CWE-76, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 10, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 1, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.23.2 <1.34.42
  2. Affected versionversion=unspecified <1.34.42

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Berri AI · LiteLLMversion=1.23.2 <1.34.42; version=unspecified <1.34.42

Published CVSS scores

9.8@huntr_aiCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-76Improper Neutralization of Equivalent Special Elements
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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