exploit · Wed 02 Sep 2026 · 19:11 UTC
Actively exploited[KEV] CVE-2026-48710: Kludex Starlette HTTP Request/Response Smuggling Vulnerability
Filed UTCSource NVD ↗
Kludex Starlette contains a HTTP request/response smuggling vulnerability that could allow attackers to inject paths into the host part, prepending the actual path leading to issues such as authentication bypass when the authentication depends on the reconstructed URL’s path. This vulnerability could be chaned with CVE-2026-42271.
Signals
as the pipeline stamped them- KEV
- Active exploitation (KEV)
- What to do
- On CISA KEV — actively exploited. Patch immediately.
CISA KEV means this flaw has been seen exploited in real attacks — not predicted, observed. Treat it as urgent regardless of its score.
CVE
KEV from CISA · EPSS from FIRST| Id | KEV | EPSS | Reference |
|---|---|---|---|
| CVE-2026-48710 | KEV | 7% | NVD ↗ |
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