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. !, @, =, ...

CVE-2026-47067: Allocation of Resources Without Limits or Throttling

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-2026-47071: Uncontrolled Resource Consumption

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...

PT-2026-43073

Name of the Vulnerable Software and Affected Versions hackney versions 2.0.0 through 4.0.0 Description An allocation of resources without limits or throttling allows flooding. The function await response loop/6 in hackney h3 accumulates the HTTP/3 response body in memory without a size cap. Becau...

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...

Hackney 安全漏洞

Hackney is a program library from Hackney, Inc. A security vulnerability exists in Hackney versions 2.0.0-beta.1 through prior to 4.0.1, which stems from the Alt-Svc response header parser's inability to guarantee forward progress, potentially leading to infinite loops and CPU exhaustion...

PT-2026-43064

Name of the Vulnerable Software and Affected Versions hackney versions 2.0.0-beta.1 through 4.0.0 Description An infinite loop exists in the Alt-Svc response header parser within src/hackney altsvc.erl. When the parse token/2 function receives a byte that is not a token, whitespace, or comma such...

PT-2026-43067

Name of the Vulnerable Software and Affected Versions benoitc hackney versions 3.1.1 through 4.0.0 Description A sensitive data exposure issue exists where the HTTP/3 redirect handler in src/hackney h3.erl passes original request headers to a redirect target without performing cross-origin checks...

CVE-2026-47070: URL Redirection to Untrusted Site

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...

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 to 4.0.1 that stems from the URL parser converting unrecognized URL schemes into permanent BEAM atoms, which could lead to atom table exhaustion and BEAM VM crashes...

Hackney 安全漏洞

Hackney is a program library from Hackney, Inc. A security vulnerability exists in hackney versions prior to 0.10.0 through 4.0.1, which stems from the use of an infinite timeout by the SOCKS5 transport during TLS upgrades, which could result in infinite blocking of the connection process...

CVE-2026-47069: Improper Neutralization of CRLF Sequences

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-2026-47072: Improper Neutralization of CRLF Sequences

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: Interpretation Conflict

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 ...

PT-2026-43068

Name of the Vulnerable Software and Affected Versions hackney versions 0.10.0 through 4.0.0 Description Uncontrolled Resource Consumption in the SOCKS5 transport within src/hackney socks5.erl allows flooding. While the caller-supplied timeout is applied during the SOCKS5 negotiation phase, the...

CVE-2026-47066: Loop with Unreachable Exit Condition

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. !, @, =, ...

PT-2026-43070

Name of the Vulnerable Software and Affected Versions hackney versions 2.0.0 through 4.0.0 Description The WebSocket client in src/hackney ws.erl lacks upper bounds on memory consumption across three code paths, allowing for flooding. First, the read handshake response/3 function accumulates...

Hackney 安全漏洞

Hackney is a program library from Hackney, Inc. A security vulnerability exists in hackney versions prior to 0.13.0 to 4.0.1, which stems from a URL decoding of host components by URL normalization functions that could lead to server-side request forgery...

Hackney 安全漏洞

Hackney is a program library from Hackney, Inc. A security vulnerability exists in hackney versions prior to 3.1.1 through 4.0.1, which stems from a failure to perform cross-domain checks in the HTTP/3 redirect handler, potentially leading to the disclosure of sensitive data...

PT-2026-43066

Name of the Vulnerable Software and Affected Versions hackney versions 0.9.0 through 4.0.0 Description Improper Neutralization of CRLF Sequences, also known as CRLF Injection, allows HTTP Response Splitting. The setcookie/3 function in src/hackney cookie.erl validates Name and Value arguments...