CVE-2026-47070

Sensitive Data Exposure vulnerability in benoitc hackney allows Retrieve Embedded Sensitive Data. The HTTP/3 redirect handler in src/hackneyh3.erl passes the original request headers unchanged to the redirect target without performing any cross-origin check. When a client issues an HTTP/3 request...

CVE-2026-47075

Improper Neutralization of CRLF Sequences vulnerability in benoitc hackney allows HTTP Request Splitting. hackney does not percent-encode carriage return \r or line feed \n characters in the URL query component before constructing the HTTP/1.1 request target. Characters outside the grammar define...

CVE-2026-47077

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-2026-47073

Allocation of Resources Without Limits or Throttling vulnerability in benoitc hackney allows Flooding. The WebSocket client in src/hackneyws.erl imposes no upper bound on memory consumption in three code paths. First, readhandshakeresponse/3 accumulates received bytes into a growing buffer with n...

CVE-2026-47069

Improper Neutralization of CRLF Sequences 'CRLF Injection' vulnerability in benoitc hackney allows HTTP Response Splitting. The hackneycookie:setcookie/3 function in src/hackneycookie.erl validates the Name and Value arguments against CRLF and control characters, but concatenates the domain and...

CVE-2026-47073

CVE-2026-47073 affects hackney WebSocket client (src/hackney_ws.erl) causing unbounded memory growth via three paths: read_handshake_response/3 accumulates an unbounded buffer due to lack of size cap; parse_payload/9 and parse_active_payload/8 do not enforce a maximum frame payload length; and fr...

EEF-CVE-2026-47067 Atom table exhaustion via unrecognized URL schemes in hackney

Summary 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 default...

EEF-CVE-2026-47072 CRLF injection in WebSocket upgrade request in hackney

Summary Improper Neutralization of CRLF Sequences 'CRLF Injection' vulnerability in benoitc hackney allows HTTP Request/Response Splitting. The WebSocket upgrade code in src/hackneyws.erl copies the host, path, headers ExtraHeaders, and protocols options from the caller-supplied opts map into the...

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/hackneyws.erl copies the host, path, headers ExtraHeaders, and protocols options from the caller-supplied opts map into the interna...

CVE-2026-47072 CRLF injection in WebSocket upgrade request in hackney

Improper Neutralization of CRLF Sequences 'CRLF Injection' vulnerability in benoitc hackney allows HTTP Request/Response Splitting. The WebSocket upgrade code in src/hackneyws.erl copies the host, path, headers ExtraHeaders, and protocols options from the caller-supplied opts map into the interna...

CVE-2026-47076 SSRF allowlist bypass via percent-encoded host in hackney

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 ...

CVE-2026-47075

CVE-2026-47075 describes a CRLF injection in Hackney’s URL query handling. Hackney does not percent-encode CR/LF characters in the query string before forming the HTTP/1.1 request target, allowing an attacker who controls the URL to inject raw CRLF sequences and potentially perform HTTP header in...

CVE-2026-47075 CR/LF injection in query parameter in hackney

Improper Neutralization of CRLF Sequences vulnerability in benoitc hackney allows HTTP Request Splitting. hackney does not percent-encode carriage return \r or line feed \n characters in the URL query component before constructing the HTTP/1.1 request target. Characters outside the grammar define...

EUVD-2026-31687

Improper Neutralization of CRLF Sequences vulnerability in benoitc hackney allows HTTP Request Splitting. hackney does not percent-encode carriage return \r or line feed \n characters in the URL query component before constructing the HTTP/1.1 request target. Characters outside the grammar define...

CVE-2026-47077 Unbounded body accumulation in HTTP/3 response loop in hackney

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,...

EEF-CVE-2026-47071 SOCKS5 TLS upgrade ignores caller timeout in hackney

Summary 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/...

CVE-2026-47069

Improper Neutralization of CRLF Sequences 'CRLF Injection' vulnerability in benoitc hackney allows HTTP Response Splitting. The hackneycookie:setcookie/3 function in src/hackneycookie.erl validates the Name and Value arguments against CRLF and control characters, but concatenates the domain and...

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. !, @, =, ...

EEF-CVE-2026-47069 CRLF injection in cookie domain/path options in hackney

Summary Improper Neutralization of CRLF Sequences 'CRLF Injection' vulnerability in benoitc hackney allows HTTP Response Splitting. The hackneycookie:setcookie/3 function in src/hackneycookie.erl validates the Name and Value arguments against CRLF and control characters, but concatenates the doma...

Hackney 安全漏洞

Hackney is a program library from Hackney, Inc. A security vulnerability exists in Hackney versions prior to 2.0.0 through 4.0.1, which stems from a WebSocket client that does not set an upper limit on memory consumption, potentially leading to resource exhaustion...