Medium severity5.9NVD Advisory· Published Oct 19, 2026· Updated Oct 19, 2026
CVE-2026-112266
CVE-2026-112266
Description
SGLang through 0.5.22 contains a denial of service vulnerability that allows API clients to abort other users' in-flight generation requests by supplying a short client-controlled rid. Attackers can submit streaming /generate requests with single hex character rids and disconnect, triggering prefix-matching abort logic that terminates all other clients' requests.
Affected products
1- Range: <=0.5.22
Patches
Vulnerability mechanics
References
6- github.com/sgl-project/sglang/blob/v0.5.22/python/sglang/srt/managers/scheduler.pynvd
- github.com/sgl-project/sglang/blob/v0.5.22/python/sglang/srt/managers/tokenizer_manager.pynvd
- github.com/sgl-project/sglang/blob/v0.5.22/python/sglang/srt/managers/tokenizer_manager.pynvd
- github.com/sgl-project/sglang/issues/41474nvd
- github.com/sgl-project/sglang/issues/45002nvd
- www.vulncheck.com/advisories/sglang-through-0.5.22-cross-request-abort-via-rid-prefix-matchingnvd
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