CVE-2026-112266
MEDIUMDescription
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.
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploit Intelligence
Low risk: more likely to be exploited than 35% of all known CVEs.
References
Related Vulnerabilities
Other CWE-187 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2024-41110 | Critical | 9.9 | 16% | - | Fix |
| CVE-2022-31802 | Critical | 9.8 | 1.3% | - | Fix |
| CVE-2026-35031 | Critical | 9.9 | 0.9% | - | Fix |
| CVE-2024-39742 | High | 8.1 | 0.8% | - | Fix |
| CVE-2026-84376 | Medium | 6.3 | 0.7% | - | Fix |
| CVE-2026-62750 | High | 6.5 | 0.7% | - | Fix |
Common questions
How do I fix CVE-2026-112266?
No published fix for CVE-2026-112266 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
Is CVE-2026-112266 being actively exploited?
Not that we know of. CVE-2026-112266 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.42% is the estimated probability that it will be exploited in the next 30 days. That is higher than 35% of all scored CVEs.
How severe is CVE-2026-112266?
CVE-2026-112266 has a CVSS v3 base score of 5.9, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-10-19.