CVE-2026-15971
CRITICALCVSS 9.8/10EPSS 0.40%
Last modified
CVE-2026-15971 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Lmsys | Sglang | <= 0.5.15 |
References
- https://thoughts.apoorvdayal.com/posts/sglang-disclosures/Third Party Advisory, Mitigation
- https://thoughts.apoorvdayal.com/posts/sglang-disclosures/Third Party Advisory, Mitigation
Timeline
- Published
- Last Modified
- Status
- Analyzed
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 severe is CVE-2026-15971?
CVE-2026-15971 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.
How do I fix CVE-2026-15971?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2026-15971?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST