CVE-2026-111391 SGLang 0.5.10 through 0.5.22 Code Injection via Debug Dumper Filter
Remote attackers can execute arbitrary Python code in SGLang by sending crafted filter expressions to the debug dumper endpoint when enabled.
- 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-2026-111391?
CVE-2026-111391 is a critical code injection vulnerability in sgl-project sglang, published on 16 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
SGLang 0.5.10 through 0.5.22 contains a code injection vulnerability in _evaluate_filter() that allows remote attackers to execute Python code by escaping the eval() sandbox through re.search __globals__. Attackers can send a crafted filter expression to the unauthenticated /dumper/configure endpoint when DUMPER_SERVER_PORT is set, running code in the scheduler process on the next forward pass.
Weakness: CWE-95
Which versions are affected by CVE-2026-111391?
How do I fix CVE-2026-111391?
No fix has been published for CVE-2026-111391 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-2026-111391 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-111391 exists.
Sources
Also known as GHSA-vfgj-p7f7-r3v8.