Critical severity · published Jul 30, 2026
CVE-2026-15971
No description published yet
9.8
CVSS
0.7%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 54% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SG
SGLang · SGLang
through v0.5.15 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-15971
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-15971
Broken Link
https://github.com/sgl-project/sglang/security/advisories/GHSA-h6rf-77vv-9mvj
Third Party Advisory
https://thoughts.apoorvdayal.com/posts/sglang-disclosures/
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