CVE-2024-2952

CVE-2024-2952 is a critical-severity vulnerability in Litellm with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-76.

Key facts

Description

BerriAI/litellm is vulnerable to Server-Side Template Injection (SSTI) via the `/completions` endpoint. The vulnerability arises from the `hf_chat_template` method processing the `chat_template` parameter from the `tokenizer_config.json` file through the Jinja template engine without proper sanitization. Attackers can exploit this by crafting malicious `tokenizer_config.json` files that execute arbitrary code on the server.

Frequently asked questions

What is CVE-2024-2952?
BerriAI/litellm is vulnerable to Server-Side Template Injection (SSTI) via the `/completions` endpoint. The vulnerability arises from the `hf_chat_template` method processing the `chat_template` parameter from the `tokenizer_config.json` file through the Jinja template engine without proper sanitization. Attackers can exploit this by crafting malicious `tokenizer_config.json` files that execute arbitrary code on the server.
How severe is CVE-2024-2952?
CVE-2024-2952 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-2952 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-2952?
CVE-2024-2952 affects Litellm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-2952?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-2952 have an EU (EUVD) identifier?
Yes. CVE-2024-2952 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-1088.
When was CVE-2024-2952 published?
CVE-2024-2952 was published on 2024-04-10 and last updated on 2026-06-17.

References

Affected products (1)

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