Vulnerability in Benoitc Hackney
CVE-2026-47072
Improper Neutralization of CRLF Sequences ('CRLF Injection') vulnerability in benoitc hackney allows HTTP Request/Response Splitting. The WebSocket upgrade code in src/hackney_ws.erl copies the host, path, headers (ExtraHeaders), and proto…
Vulnerability class: CRLF Injection
EPSS: 0.000 (11.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Benoitc Hackney — versions 2.0.0, 690cecaf236fba49526da404a5bc889a24367a3e
Weakness classification (CWE)
References
- 6b3ad84c-e1a6-4bf7-a703-f496b71e49db (related, Exploit, vendor-advisory, Patch, Vendor Advisory)
- 6b3ad84c-e1a6-4bf7-a703-f496b71e49db (related, Patch, Third Party Advisory)
- 6b3ad84c-e1a6-4bf7-a703-f496b71e49db (related, Patch, Third Party Advisory)
- 6b3ad84c-e1a6-4bf7-a703-f496b71e49db (Patch, patch)
Frequently asked questions
- What is CVE-2026-47072?
- CVE-2026-47072 is a high-severity vulnerability in Benoitc Hackney, classified under CRLF Injection. CVSS score: 7.5/10. Published 2026-05-25.
- How severe is CVE-2026-47072?
- High severity. CVSS v3 base score is 7.5 out of 10.