CVE-2026-5760

critical

Published 2026-04-20 · Modified 2026-04-29

CVSS v3

9.8

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

CVSS v2

—

VIR risk

9.8

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().

Predictions

Exploit likelihood

97%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

References

https://github.com/Stuub/SGLang-0.5.9-RCE
https://github.com/sgl-project/sglang/pull/23660
https://www.kb.cert.org/vuls/id/915947

CWEs

CWE-94

Verify integrity in audit chain (admin only). AS-IS.