PT-2026-33769 · Sglang · Sglang

Published 2026-04-20 · Updated 2026-04-20 · CVE-2026-5760

Mitre

CVSS v3.1

9.8

Critical

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

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().

Fix

Code Injection

Weakness Enumeration

CWE-94

Related Identifiers

CVE-2026-5760

Affected Products

Sglang

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-5760 · Security Note
• https://github.com/Stuub/SGLang-0.5.9-RCE · Note
• https://reddit.com/r/SecOpsDaily/comments/1sqq9sa/vu915947_sglang_is_vulnerable_to_remote_code · Reddit Post