CVE-2026-105245

sgl-project sglang HTTP Endpoint http_server.py server_info cleartext transmission

State: Published
Severity: 6.3 Medium
Published: Oct 5, 2026
Updated: Oct 7, 2026
Reserved: Oct 4, 2026

Description

A vulnerability has been found in sgl-project sglang up to 0.5.21. This issue affects the function server_info of the file python/sglang/srt/entrypoints/http_server.py of the component HTTP Endpoint. Such manipulation of the argument api_key leads to cleartext transmission of sensitive information. It is possible to launch the attack remotely. Attacks of this nature are highly complex. The exploitability is assessed as difficult. The exploit has been disclosed to the public and may be used. The pull request to fix this issue awaits acceptance.

Scores

CVSS	Score	Vector	Source
4.0	6.3 Medium	CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P	VulDB
3.1	3.7 Low	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:C	VulDB
3.0	3.7 Low	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:C	VulDB
2.0	2.6 Low	AV:N/AC:H/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:C	VulDB

Weaknesses

CWE-319 Cleartext Transmission of Sensitive Information
CWE-310 Cryptographic Issues

Affected Products

Product	Versions
sglangsgl-project	0.5.0Affected 0.5.1Affected 0.5.2Affected 0.5.3Affected 0.5.4Affected 0.5.5Affected 0.5.6Affected 0.5.7Affected 0.5.8Affected 0.5.9Affected 0.5.10Affected 0.5.11Affected 0.5.12Affected 0.5.13Affected 0.5.14Affected 0.5.15Affected 0.5.16Affected 0.5.17Affected 0.5.18Affected 0.5.19Affected 0.5.20Affected 0.5.21Affected

References

VDB-413451 | sgl-project sglang HTTP Endpoint http_server.py server_info cleartext transmissionvdb-entrytechnical-description
VDB-413451 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
CVE-2026-105245 | CVE Analysis and Reportthird-party-advisory
Submit #975910 | https://github.com/sgl-project/ sglang commit 594ec63 Cleartext Transmission of Sensitive Informationthird-party-advisory
https://github.com/sgl-project/sglang/issues/30166exploitissue-tracking
https://github.com/sgl-project/sglang/pull/30343issue-trackingpatch
https://github.com/sgl-project/sglang/product

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