CVE-2026-5760

State: Published
Severity: 9.8 Critical
Published: Apr 20, 2026
Updated: Apr 29, 2026
Reserved: Apr 7, 2026

Description

SGLang's reranking endpoint (/v1/rerank) achieves Remote Code Execution (RCE) when a model file containing a malcious tokenizer.chat_template is loaded, as the Jinja2 chat templates are rendered using an unsandboxed jinja2.Environment().

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-94 Improper Control of Generation of Code ('Code Injection')

Affected Products

Product	Versions
SGLangSGLang	8f3097eAffected

References

https://github.com/Stuub/SGLang-0.5.9-RCE
https://github.com/sgl-project/sglang/pull/23660
https://www.kb.cert.org/vuls/id/915947

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