CVE-2026-15977

HIGH CVSS 3.1: 7.5 EPSS 0.41%
Updated Aug 04, 2026
Lmsys
Parameter Value
CVSS 7.5 (HIGH)
Affected Versions before 0.5.15
Type CWE-522: Insufficiently Protected Credentials, CWE-522 (Insufficiently Protected Credentials)
Vendor Lmsys
Public PoC No

SGLang contains a credential leakage vulnerability in the /server_info endpoint, which will return API keys and SSL keyfile information when only the --admin-api-key is configured.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v3.1

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Lmsys Sglang
cpe:2.3:a:lmsys:sglang:*:*:*:*:*:*:*:*
— <= 0.5.15