CVE•Published 2026-04-20•Modified 2026-06-03•1 article on news•6 live references•NVD data

CVE-2026-5760Lmsys · Sglang

Vulnerability data via NVD (ingested)

CVSS v3.1

9.8

CRITICAL

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

EPSS percentile

Exploit Prediction Scoring System · top 45% of all CVEs

Weaknesses (CWE)

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

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().

Timeline

Published 2026-04-20

Modified 2026-06-03

External references

NVD MITRE Exploit-DB GitHub PoC Sploitus VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-5760

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Lmsys Sglang"

All exposed Lmsys Sglang instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Sglang"

HTTP body or banner mentions "Sglang" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-5760