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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| sgl-project | sglang | 0.5.0, 0.5.1, 0.5.2, 0.5.3, 0.5.4, 0.5.5, 0.5.6, 0.5.7, 0.5.8, 0.5.9, 0.5.10, 0.5.11, 0.5.12, 0.5.13, 0.5.14, 0.5.15, 0.5.16, 0.5.17, 0.5.18, 0.5.19, 0.5.20, 0.5.21 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | python-sglang | 0.5.21-2.1 | openSUSE-SU-2026:12118-1 |
Advisories 1
- openSUSE-SU-2026:12118-1 python313-sglang-0.5.21-2.1 on GA media SUSE / openSUSE Security Updates · Oct 14, 2026
References
- VDB-413451 | sgl-project sglang HTTP Endpoint http_server.py server_info cleartext transmission vdb-entry technical-description
- VDB-413451 | CTI Indicators (IOB, IOC, TTP, IOA) signature permissions-required
- CVE-2026-105245 | CVE Analysis and Report third-party-advisory
- Submit #975910 | https://github.com/sgl-project/ sglang commit 594ec63 Cleartext Transmission of Sensitive Information third-party-advisory
- https://github.com/sgl-project/sglang/issues/30166 exploit issue-tracking
- https://github.com/sgl-project/sglang/pull/30343 issue-tracking patch
- https://github.com/sgl-project/sglang/ product