sgl-project SGLang Session Cleanup session_controller.py Session.create_req denial of service
A security vulnerability has been detected in sgl-project SGLang up to 0.5.19. Affected by this issue is the function Session.create_req of the file python/sglang/srt/session/session_controller.py of the component Session Cleanup. Such manipulation leads to denial of service. The attack may be performed from remote. The exploit has been disclosed publicly and may be used. The pull request to fix this issue awaits acceptance.
CVE-2026-110809
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-110809
SGLang
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"cpes": [
"cpe:2.3:a:sgl-project:sglang:*:*:*:*:*:*:*:*"
],
"vendor": "sgl-project",
"modules": [
"Session Cleanup"
],
"product": "SGLang",
"versions": [
{
"status": "affected",
"version": "0.5.0"
},
{
"status": "affected",
"version": "0.5.1"
},
{
"status": "affected",
"version": "0.5.2"
},
{
"status": "affected",
"version": "0.5.3"
},
{
"status": "affected",
"version": "0.5.4"
},
{
"status": "affected",
"version": "0.5.5"
},
{
"status": "affected",
"version": "0.5.6"
},
{
"status": "affected",
"version": "0.5.7"
},
{
"status": "affected",
"version": "0.5.8"
},
{
"status": "affected",
"version": "0.5.9"
},
{
"status": "affected",
"version": "0.5.10"
},
{
"status": "affected",
"version": "0.5.11"
},
{
"status": "affected",
"version": "0.5.12"
},
{
"status": "affected",
"version": "0.5.13"
},
{
"status": "affected",
"version": "0.5.14"
},
{
"status": "affected",
"version": "0.5.15"
},
{
"status": "affected",
"version": "0.5.16"
},
{
"status": "affected",
"version": "0.5.17"
},
{
"status": "affected",
"version": "0.5.18"
},
{
"status": "affected",
"version": "0.5.19"
}
]
}
]- Related CVEs
- CVE-2026-110809
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #28948 · Revision 1
- Added to Heist Feed
- Publisher date