CVE-2026-33555 Detail
Received
This CVE record has recently been published to the CVE List and has been included within the NVD dataset. DescriptionAn issue was discovered in HAProxy before 3.3.6. The HTTP/3 parser does not check that the received body length matches a previously announced content-length when the stream is closed via a frame with an empty payload. This can cause desynchronization issues with the backend server and could be used for request smuggling. The earliest affected version is 2.6. Metrics
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CVSS 4.0 Severity and Vector Strings:
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Quick InfoCVE Dictionary Entry:CVE-2026-33555 NVD Published Date: 04/13/2026 NVD Last Modified: 04/13/2026 Source: MITRE |
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