Description

SGLang contains an RCE vulnerability when the optional dumper subsystem is enabled, allowing for a sandbox escape when DUMPER_SERVER_PORT is set, enabling code execution on inference requests.

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References

Other References

https://github.com/sgl-project/sglang/security/advisories/GHSA-h6rf-77vv-9mvj https://thoughts.apoorvdayal.com/posts/sglang-disclosures/

Frequently Asked Questions

What is CVE-2026-15971? +

SGLang contains an RCE vulnerability when the optional dumper subsystem is enabled, allowing for a sandbox escape when DUMPER_SERVER_PORT is set, enabling code execution on inference requests.

How do I check if I'm vulnerable to CVE-2026-15971? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.