CVE-2026-109228 SGLang - Denial of Service

SGLang through 0.5.21 contains a denial of service caused by resource budget bypass via manipulation of fps, max_frames, max_tokens_per_frame, and max_image_tokens in video_url, letting remote attackers exhaust worker memory, exploit requires crafted video_url parameters.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.49% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
12 October 2026
Updated
15 October 2026
Weakness
CWE-770

Vendor fix

Update to the latest version beyond 0.5.21.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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