CVE-2026-15971 CVE-2026-15971
Attackers can execute arbitrary code via inference requests if the optional dumper subsystem is enabled, requiring configuration changes to mitigate.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-15971?
CVE-2026-15971 is a critical code injection vulnerability in SGLang, published on 30 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-95
Which versions are affected by CVE-2026-15971?
It affects 1 product.
Products include Lmsys Sglang.
How do I fix CVE-2026-15971?
No fix has been published for CVE-2026-15971 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-15971 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-15971 exists.
Other vulnerabilities in SGLang
Sources
Also known as GHSA-96j3-rjf9-2hxp, GHSA-h6rf-77vv-9mvj.