Critical severity · published Apr 20, 2026
CVE-2026-5760
No description published yet
9.8
CVSS
0.9%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 58% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SG
SGLang · SGLang
8f3097e · source: vendor, NVD
In the news
VulnerabilityCritical
SGLang CVE-2026-5760 (CVSS 9.8) Enables RCE via Malicious GGUF Model Files
A critical security vulnerability has been disclosed in SGLang that, if successfully exploited, could result in remote code execution on susceptible systems.
The vulnerability, tracked as CVE-2026-5760, carries a CVSS score of 9.8 out of 10.0. It has been described as a case of command injection leading to the execution of arbitrary code.
SGLang is a high-performance, open-source serving
Apr 20, 2026·The Hacker News
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-5760
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-5760
Exploit
https://github.com/Stuub/SGLang-0.5.9-RCE
Issue Tracking
https://github.com/sgl-project/sglang/pull/23660
Third Party Advisory
https://www.kb.cert.org/vuls/id/915947
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