01 Record
CVE-2026-110809
sgl-project SGLang Session Cleanup session_controller.py Session.create_req denial of service
MediumPUBLISHEDCNA: VulDB
CNA base score5.3 CVSS v4.0CVSS: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
02 Description
sgl-project SGLang Session Cleanup session_controller.py Session.create_req denial of service
03 Exploitation and scoring
- Exploitation
- Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.
- SSVC decision
- ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.32% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 25.1% of scored records. A rank, not a probability.
- NVD base score
- 2.1 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVD analysis status
- Deferred. NVD last modified this record on 2026-10-15.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-10-14 23:30Z14 DAYS AGO
- Last updated
- 2026-10-15 15:04Z13 DAYS AGO
- Reserved
- 2026-10-14
- Assigning CNA
- VulDB
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.3)
- CNA CVSS vector
- 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
- Weaknesses
- CWE-404Improper Resource Shutdown or ReleaseClass
- Data version
- 5.2
- Document digest
- 36e355567e485612003a2cd24500a8b5455b9dae957081710815b02a8ba7b22b
05 Affected products
VendorProductVersionsPlatforms
sgl-projectSGLang0.5.0, 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—
06 References
- vuldb.comVDB-420279 | sgl-project SGLang Session Cleanup session_controller.py Session.create_req denial of servicehttps://vuldb.com/vuln/420279
- vuldb.comVDB-420279 | CTI Indicators (IOB, IOC, TTP, IOA)https://vuldb.com/vuln/420279/cti
- vuldb.comCVE-2026-110809 | CVE Analysis and Reporthttps://vuldb.com/cve/CVE-2026-110809
- vuldb.comSubmit #1004356 | SGLang Project SGLang(SGLang Runtime) 0.5.19 Remote Denial of Servicehttps://vuldb.com/submit/1004356
- github.comhttps://github.com/sgl-project/sglang/issues/41470
- github.comhttps://github.com/sgl-project/sglang/pull/41483
- gist.github.comhttps://gist.github.com/Yunzez/dbd254603fa2bc74358cb3647423d0ec#file-repro_sglang_session_replace_crash-py
- github.comhttps://github.com/sgl-project/sglang/