What’s Vulnerable › Vulnerabilities

CVE-2025-1867: HTTP Response Smuggling Vulnerability in libhv

• Severity: critical (CVSS 10.0 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-03-03 · updated 2026-06-17
• Weakness: CWE-444

Description

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in ithewei libhv allows HTTP Response Smuggling.This issue affects libhv: through 1.3.3.

References

• https://github.com/ithewei/libhv/pull/689

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