CVE-2026-5760

CRITICAL EPSS 53.6%
Published Apr 20, 20262mo ago · Modified Jun 17, 20261w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Apr 20, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

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().

CVSS Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
53.6% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

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

Affected Products 1

VendorProductVersionRange
lmsyssglang* <0.5.11

References 3

  • github.com https://github.com/Stuub/SGLang-0.5.9-RCE
    ExploitThird Party Advisory
  • github.com https://github.com/sgl-project/sglang/pull/23660
    Issue TrackingPatch
  • kb.cert.org https://www.kb.cert.org/vuls/id/915947
    Third Party Advisory

Remediation

  • github.com https://github.com/sgl-project/sglang/pull/23660
    Issue TrackingPatch