CVE-2026-110809
mediumA security vulnerability has been detected in sgl-project SGLang up to 0.5.19.
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.
CVSS
4.3
4.3 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L Severity source: NVD CVSS v3.1 (cna@vuldb.com)
Timeline (UTC)
Published: 2026-10-15 00:16
Modified: 2026-10-15 16:17
NVD status: Deferred
Last synced 1 day ago
Verified against the source API 2026-10-27 07:03 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://gist.github.com/Yunzez/dbd254603fa2bc74358cb3647423d0ec#file-repro_sglang_session_... cna@vuldb.com
- https://github.com/sgl-project/sglang/ cna@vuldb.com
- https://github.com/sgl-project/sglang/issues/41470 cna@vuldb.com
- https://github.com/sgl-project/sglang/pull/41483 cna@vuldb.com
- https://vuldb.com/cve/CVE-2026-110809 cna@vuldb.com
- https://vuldb.com/submit/1004356 cna@vuldb.com
- https://vuldb.com/vuln/420279 cna@vuldb.com
- https://vuldb.com/vuln/420279/cti cna@vuldb.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 07:03 UTC · record ↗