What is CVE-2026-47069?

CVE-2026-47069 is a medium-severity vulnerability in Benoitc Hackney, classified under CRLF Injection. CVSS score: 5.3/10. Published 2026-05-25.

How severe is CVE-2026-47069?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Benoitc Hackney

CVE-2026-47069

Improper Neutralization of CRLF Sequences ('CRLF Injection') vulnerability in benoitc hackney allows HTTP Response Splitting. The hackney_cookie:setcookie/3 function in src/hackney_cookie.erl validates the Name and Value arguments against…

Vulnerability class: CRLF Injection

EPSS: 0.000 (10.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Benoitc Hackney — versions 0.9.0, 602d5c7f2ea4acbc83ed75230655d935a0750ebc

Weakness classification (CWE)

CWE-93 — CRLF Injection

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-2026-47069?: CVE-2026-47069 is a medium-severity vulnerability in Benoitc Hackney, classified under CRLF Injection. CVSS score: 5.3/10. Published 2026-05-25.
How severe is CVE-2026-47069?: Medium severity. CVSS v3 base score is 5.3 out of 10.