CVE-2026-110809CWE-404

CVE-2026-110809

Medium · published October 15, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
24.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
5.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00324 · 24.2th percentile
Weakness
CWE-404 · Improper Resource Shutdown or Release
Published
2026-10-15T04:16Z
References (8)
https://gist.github.com/Yunzez/dbd254603fa2bc74358cb3647423d0ec#file-repro_sglang_session_replace_crash-py · [email protected]https://github.com/sgl-project/sglang/ · [email protected]https://github.com/sgl-project/sglang/issues/41470 · [email protected]https://github.com/sgl-project/sglang/pull/41483 · [email protected]https://vuldb.com/cve/CVE-2026-110809 · [email protected]https://vuldb.com/submit/1004356 · [email protected]https://vuldb.com/vuln/420279 · [email protected]https://vuldb.com/vuln/420279/cti · [email protected]
EPSS history
Timeline
  • 16 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 14 OCT 23:30Z
    sgl-project SGLang Session Cleanup session_controller.py Session.create_req denial of service
    cvelistv5
  • 14 OCT 23:30Z
    sgl-project SGLang Session Cleanup session_controller.py Session.create_req denial of service
    cvelistv5