HTTP Request Smuggling Affecting libsoup package, versions [0,3.6.6)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-LIBSOUP-15219011
- published5 Feb 2026
- disclosed2 Feb 2026
- creditUnknown
Introduced: 2 Feb 2026
CVE-2026-1760 (opens in a new tab)How to fix?
Upgrade libsoup to version 3.6.6 or higher.
Overview
Affected versions of this package are vulnerable to HTTP Request Smuggling via improper handling of HTTP requests that use both Transfer-Encoding: chunked and Connection: keep-alive headers. An attacker can cause unintended request processing or disrupt service availability by sending specially crafted HTTP requests that are interpreted as new requests over a persistent connection.