CVE-2026-110809
sgl-project SGLang Session Cleanup session_controller.py Session.create_req denial of service
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-404 |
| Vendor | sgl-project |
| Product | sglang |
| Published | Oct 14, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
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
References
vuldb.com: https://vuldb.com/vuln/420279 vuldb.com: https://vuldb.com/vuln/420279/cti vuldb.com: https://vuldb.com/cve/CVE-2026-110809 vuldb.com: https://vuldb.com/submit/1004356 github.com: https://github.com/sgl-project/sglang/issues/41470 github.com: https://github.com/sgl-project/sglang/pull/41483 gist.github.com: https://gist.github.com/Yunzez/dbd254603fa2bc74358cb3647423d0ec#file-repro_sglang_session_replace_crash-py github.com: https://github.com/sgl-project/sglang/
Credits
🔍 Zyz3366 (VulDB User) VulDB CNA Team