EUVD-2026-109837

Allocation of Resources Without Limits or Throttling vulnerability in hackneyconn in benoitc hackney allows a malicious HTTP server to exhaust client memory via an oversized or highly compressed response body. hackney:request/5 and hackney:body/1 return the whole response body, and nothing bounds...

BenoitC Hackney trust management issue vulnerability

Versions 2.0.0 through 4.9.0 of benoitc hackney contain a trust management vulnerability stemming from insufficient credential protection. When followredirect is enabled, only the hostname is compared; authentication information is not stripped when redirecting to another protocol or port. This m...

BenoitC Hackney resource management error vulnerability

Versions 2.0.0-beta.1 through 4.9.0 of benoitc hackney contain a resource management error vulnerability. This vulnerability arises because hackneyconn fails to restrict or throttle resource allocation; as a result, hackney:request/5 and hackney:body/1 return full response bodies without limiting...

CVE-2026-47067

Allocation of Resources Without Limits or Throttling vulnerability in benoitc hackney allows Flooding. The URL parser in src/hackneyurl.erl converts every unrecognized URL scheme to a permanent BEAM atom via binarytoatom/2. BEAM atoms are never garbage-collected and the atom table defaults to a...

CVE-2026-47076

Interpretation Conflict vulnerability in benoitc hackney allows Server Side Request Forgery. hackneyurl:normalize/2 URL-decodes the host component after the URL has been parsed into a hackneyurl record. OTP's uristring:parse/1 and inet:parseaddress/1 do not decode percent-escapes in the host, so ...

EUVD-2026-31688

Allocation of Resources Without Limits or Throttling vulnerability in benoitc hackney allows Flooding. hackneyh3:awaitresponseloop/6 accumulates the HTTP/3 response body in memory without any size cap. The after Timeout clause is a per-message inactivity timer that resets on every received chunk,...

CVE-2026-47071

Uncontrolled Resource Consumption vulnerability in benoitc hackney allows Flooding. The SOCKS5 transport in src/hackneysocks5.erl correctly applies the caller-supplied timeout to the SOCKS5 negotiation phase, but then upgrades the connection to TLS using the two-argument form ssl:connect/2, which...

CVE-2026-47066

Loop with Unreachable Exit Condition 'Infinite Loop' vulnerability in benoitc hackney allows Excessive Allocation. The Alt-Svc response header parser in src/hackneyaltsvc.erl does not guarantee forward progress. When parsetoken/2 receives a non-token, non-whitespace, non-comma byte e.g. !, @, =, ...