CVE-2026-47736

Puma is a Ruby/Rack web server built for parallelism. From 5.5.0 until 7.2.1 and 8.0.2, when PROXY protocol v1 support is enabled, Puma reads incoming bytes into an internal buffer while waiting for CRLF to determine whether a PROXY v1 line is present, allowing an attacker that continuously sends...

CVE-2026-45070

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 5.4.52, 6.4.40, 7.4.12, and 8.0.12, Symfony\Component\Mime\Header\ParameterizedHeader validates and encodes parameter values but emits parameter names verbatim, allowing a caller that derive...

Server-side Request Forgery (SSRF)

Overview contao/core-bundle is an Open Source PHP Content Management System for people who want a professional website that is easy to maintain. Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the Feed Reader front-end module, which passes RSS feed URLs fr...

Server-side request forgery (SSRF) via unvalidated RSS feed URLs

More info at https://contao.org/en/security-advisories/server-side-request-forgery-via-unvalidated-rss-feed-urls...

The vulnerability of the aiohttp HTTP client, related to the failure to handle CRLF sequences in HTTP headers, allows attackers to inject arbitrary HTTP headers.

The vulnerability of the aiohttp HTTP client is related to the failure to handle CRLF sequences in HTTP headers when processing the reason parameter. Exploiting this vulnerability allows an attacker who operates remotely to inject arbitrary HTTP headers...

The vulnerability of the HTTP message analyzer for the llhttp HTTP client and aiohttp allows attackers to inject arbitrary HTTP headers and circumvent existing security restrictions.

The vulnerability of the HTTP message analyzer for the llhttp HTTP client and aiohttp is related to the failure to handle CRLF sequences in HTTP headers when processing the reason parameter. Exploiting this vulnerability allows an attacker to inject arbitrary HTTP headers and circumvent existing...

morgan: morgan: Log forgery due to unneutralized control characters

A flaw was found in the morgan HTTP request logging middleware. The :remote-user token writes the Basic auth username to access logs without neutralizing CR/LF control characters. An unauthenticated remote attacker can inject forged log lines via a crafted Authorization header, breaking...

form-data: form-data: Form field override via CRLF injection

A flaw was found in form-data, a library for creating readable multipart/form-data streams. A remote attacker can exploit this vulnerability by injecting carriage return CR, line feed LF, or double-quote " characters into the field argument of FormDataappend or the filename option. This allows th...

CVE-2025-3110

OpenVPN Access Server 2.7.2 through 3.1.0 accepts bare line-feed sequences inside HTTP header values, allowing remote attackers to perform HTTP request smuggling when deployed behind a reverse proxy...

CVE-2026-12002

The Smash Balloon Social Photo Feed – Easy Social Feeds Plugin plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 6.11.1. This is due to missing or incorrect nonce validation on the maybeconnectiondata function. This makes it possible for...

PYSEC-2026-1222 BlackSheep's ClientSession is vulnerable to CRLF injection

Impact The HTTP Client implementation in BlackSheep is vulnerable to CRLF injection. Missing headers validation makes it possible for an attacker to modify the HTTP requests e.g. insert a new header or even create a new HTTP request. Exploitation requires developers to pass unsanitized user input...

PYSEC-2026-2068 Improper line feed handling in zenml

A denial of service DoS vulnerability exists in zenml-io/zenml version 0.56.3 due to improper handling of line feed \n characters in component names. When a low-privileged user adds a component through the API endpoint api/v1/workspaces/default/components with a name containing a \n character, it...

BIT-PYTHON-MIN-2026-1502 HTTP client proxy tunnel headers not validated for CR/LF

CR/LF bytes were not rejected by HTTP client proxy tunnel headers or host...

BIT-PYTHON-2026-1502 HTTP client proxy tunnel headers not validated for CR/LF

CR/LF bytes were not rejected by HTTP client proxy tunnel headers or host...

BIT-LIBPYTHON-2026-1502 HTTP client proxy tunnel headers not validated for CR/LF

CR/LF bytes were not rejected by HTTP client proxy tunnel headers or host...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization via the repository feed endpoints. An attacker can access private repository commit data by using API tokens that lack the required repository scope. Remediation Upgrade github.com/go-gitea/gitea/routers/web/feed...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization via the repository feed endpoints. An attacker can access private repository commit data by using API tokens that lack the required repository scope. Remediation Upgrade github.com/go-gitea/gitea/services/convert...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization via the repository feed endpoints. An attacker can access private repository commit data by using API tokens that lack the required repository scope. Remediation Upgrade gitea.dev/services/convert to version 1.26...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization via the repository feed endpoints. An attacker can access private repository commit data by using API tokens that lack the required repository scope. Remediation Upgrade github.com/go-gitea/gitea/modules/git to...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization via the repository feed endpoints. An attacker can access private repository commit data by using API tokens that lack the required repository scope. Remediation Upgrade gitea.dev/routers/web/feed to version 1.26...