What’s Vulnerable › Vulnerabilities

CVE-2026-110807: sgl-project SGLang generate Endpoint io_struct.py denial of service

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-14 · updated 2026-10-15
• Weakness: CWE-404

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.

Affected products

• SGLang: 0.5.0, 0.5.1, 0.5.2, 0.5.3, 0.5.4, 0.5.5 (+14)

References

• https://gist.github.com/Yunzez/28820d220c52de4810fd5fb2d1dcf409#file-repro_sglang_session_params_crash-py
• https://github.com/sgl-project/sglang/
• https://github.com/sgl-project/sglang/issues/41467
• https://github.com/sgl-project/sglang/pull/41535
• https://vuldb.com/cve/CVE-2026-110807
• https://vuldb.com/submit/1004351
• https://vuldb.com/vuln/420278
• https://vuldb.com/vuln/420278/cti

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