Description
SGLang contains an SSRF and local file read in the multimodal generation endpoint /v1/chat/completions due to unsanitized image_url, allowing access to internal metadata, secrets, and services.
Affected products
lmsys: sglang
References3
- github.com/sgl-project/sglang/security/advisories/GHSA-x7w5-h7r… Broken Link
- thoughts.apoorvdayal.com/posts/sglang-disclosures/ Third Party AdvisoryMitigation
- thoughts.apoorvdayal.com/posts/sglang-disclosures/ Third Party AdvisoryMitigation
Metrics
- CVSS 3.1
-
6.5
MEDIUM
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - EPSS — exploit probability
- 0% percentile: 30 · as of 13 November 2026
- CWE
- CWE-918
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.