Medium severity · published Oct 14, 2026
CVE-2026-110807
sgl-project SGLang generate Endpoint io_struct.py denial of service
4.3
CVSS
0.3%
EPSS
No
On KEV
Description
A weakness has been identified in sgl-project SGLang up to 0.5.19. Affected by this vulnerability is an unknown functionality of the file python/sglang/srt/managers/io_struct.py of the component generate Endpoint. This manipulation of the argument session_params causes denial of service. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 26% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SG
SGLang · sgl-project
0.5.0; 0.5.1; 0.5.2; 0.5.3; 0.5.4; 0.5.5; +14 more · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-110807
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-110807
gist.github.com
https://gist.github.com/Yunzez/28820d220c52de4810fd5fb2d1dcf409#file-repro_sglang_session_params_crash-py
github.com
https://github.com/sgl-project/sglang/
github.com
https://github.com/sgl-project/sglang/issues/41467
github.com
https://github.com/sgl-project/sglang/pull/41535
vuldb.com
https://vuldb.com/cve/CVE-2026-110807
vuldb.com
https://vuldb.com/submit/1004351
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