CVE-2026-111391
8.1HighPublished 16 Oct 2026 · NVD status: Deferred · AI triage by gemini-3.8-flash
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
- Impact
- Full C/I/A compromise
- Weakness
- CWE-95
Impact
Remote unauthenticated attackers can execute arbitrary Python code inside the scheduler process. This requires network access to the /dumper/configure endpoint when DUMPER_SERVER_PORT is enabled.
Root cause
The _evaluate_filter() function uses eval() insecurely, allowing sandbox escapes via re.search __globals__ inside user-supplied filter expressions.
Affected systems
SGLang 0.5.10 through 0.5.22
CVSS v3.1 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Fix & remediation
Upgrade SGLang past version 0.5.22 once available. As an immediate mitigation, unset or disable the DUMPER_SERVER_PORT environment variable and block external traffic to the dumper port.
$ pip install --upgrade sglangAI-suggested. Run it in staging first and check it against the vendor advisory. Why?
NVD 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.
References
- https://github.com/sgl-project/sglang
- https://github.com/sgl-project/sglang/blob/v0.5.22/python/sglang/srt/debug_utils/dumper.py#L1309-L1320
- https://github.com/sgl-project/sglang/blob/v0.5.22/python/sglang/srt/debug_utils/dumper.py#L1380-L1401
- https://github.com/sgl-project/sglang/issues/44188
- https://www.vulncheck.com/advisories/sglang-0.5.10-through-0.5.22-code-injection-via-debug-dumper-filter