CVE-2026-34763

A flaw was found in Rack. A remote attacker could exploit a vulnerability in Rack::Directory's handling of root paths. When the configured root path contains special regular expression characters, the directory listing generation can fail to properly strip the path prefix. This can lead to the...

CLSA-2026-1775223681 python: Fix of CVE-2025-15367

CVE-2025-15367: reject control characters in POP3 commands to prevent command injection via newlines...

CLSA-2026-1775222005 python: Fix of CVE-2025-15367

CVE-2025-15367: reject control characters in POP3 commands to prevent command injection via newlines...

CVE-2026-29144

SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to bypass subject sanitization and forge security tags using Unicode lookalike characters...

CVE-2026-35536

Tornado

Linux Distros Unpatched Vulnerability : CVE-2026-34520

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, the C parser the default for most installs accepted nul...

GHSA-G2PF-XV49-M2H5 Rack::Request accepts invalid Host characters, enabling host allowlist bypass

Summary Rack::Request parses the Host header using an AUTHORITY regular expression that accepts characters not permitted in RFC-compliant hostnames, including /, ?, , and @. Because req.host returns the full parsed value, applications that validate hosts using naive prefix or suffix checks can be...

Rack has Content-Length mismatch in Rack::Files error responses

Summary Rack::Filesfail sets the Content-Length response header using Stringsize instead of Stringbytesize. When the response body contains multibyte UTF-8 characters, the declared Content-Length is smaller than the number of bytes actually sent on the wire. Because Rack::Files reflects the...

GHSA-Q2WW-5357-X388 Rack has Content-Length mismatch in Rack::Files error responses

Summary Rack::Filesfail sets the Content-Length response header using Stringsize instead of Stringbytesize. When the response body contains multibyte UTF-8 characters, the declared Content-Length is smaller than the number of bytes actually sent on the wire. Because Rack::Files reflects the...

EUVD-2026-18480

OpenSSH before 10.3 mishandles the authorizedkeys principals option in uncommon scenarios involving a principals list in conjunction with a Certificate Authority that makes certain use of comma characters...

UBUNTU-CVE-2026-35414

OpenSSH before 10.3 mishandles the authorizedkeys principals option in uncommon scenarios involving a principals list in conjunction with a Certificate Authority that makes certain use of comma characters...

DEBIAN-CVE-2026-34831

Rack is a modular Ruby web server interface. Prior to versions 2.2.23, 3.1.21, and 3.2.6, Rack::Filesfail sets the Content-Length response header using Stringsize instead of Stringbytesize. When the response body contains multibyte UTF-8 characters, the declared Content-Length is smaller than the...

CVE-2026-34523 SillyTavern: Path traversal allows file existence oracle

SillyTavern is a locally installed user interface that allows users to interact with text generation large language models, image generation engines, and text-to-speech voice models. Prior to version 1.17.0, a path traversal vulnerability in the static file route handler allows any unauthenticate...

CVE-2026-34835

Rack exposes a vulnerability in Rack::Request where Host header parsing uses an AUTHORITY regex that accepts characters not allowed by RFC hostnames (e.g., /, ?, #, @). Versions affected: 3.0.0.beta1 through 3.1.20, and 3.2.0 through 3.2.5. This can allow host header poisoning when apps rely on r...

CVE-2026-35414

OpenSSH before 10.3 mishandles the authorizedkeys principals option in uncommon scenarios involving a principals list in conjunction with a Certificate Authority that makes certain use of comma characters...

CVE-2026-35414

OpenSSH before 10.3 mishandles the authorizedkeys principals option in uncommon scenarios involving a principals list in conjunction with a Certificate Authority that makes certain use of comma characters...

Always-Incorrect Control Flow Implementation

Overview Affected versions of this package are vulnerable to Always-Incorrect Control Flow Implementation in the handling of the authorizedkeys principals option when a principals list is used with a Certificate Authority that includes comma characters. An attacker can gain unauthorized access or...

CVE-2026-35414

OpenSSH before 10.3 mishandles the authorizedkeys principals option in uncommon scenarios involving a principals list in conjunction with a Certificate Authority that makes certain use of comma characters...

CVE-2026-35414

OpenSSH before 10.3 mishandles the authorizedkeys principals option in uncommon scenarios involving a principals list in conjunction with a Certificate Authority that makes certain use of comma characters...

CVE-2026-34831 Rack: Content-Length mismatch in Rack::Files error responses

Rack is a modular Ruby web server interface. Prior to versions 2.2.23, 3.1.21, and 3.2.6, Rack::Filesfail sets the Content-Length response header using Stringsize instead of Stringbytesize. When the response body contains multibyte UTF-8 characters, the declared Content-Length is smaller than the...