CVE-2026-5760 | SGLang's reranking endpoint (/v1/rerank) achieves Remote Cod… | CVSS 9.8 CRITICAL

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().

Metadata

CVE ID: CVE-2026-5760
State: PUBLISHED
Assigner: certcc
Reserved: 2026-04-07 18:02 UTC
Published: 2026-04-20 13:46 UTC
Last updated: 2026-04-29 13:23 UTC
Primary CWE: CWE-94
CWE-94 Improper Control of Generation of Code ('Code Injecti…
Vendor / Product: SGLang / SGLang
Sources: cve.org · NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC — CISA Coordinator

Exploitation: PoC
Automatable: yes
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
SGLang	SGLang	—	8f3097e

Weakness (CWE)

CWE	Source	Description
—	cna	CWE-94: Improper Control of Generation of Code ('Code Injection')
CWE-94	adp	CWE-94 Improper Control of Generation of Code ('Code Injection')

CVSS scores (1)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	adp	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References (2)