CVE-2026-44434: Insufficient Verification of Data Authenticity

Quicly is an IETF QUIC protocol implementation intended primarily for use within the H2O HTTP server. Prior to commit dccf5d4, Quicly was vulnerable to stateless reset injection through lack of packet entry validation. The QUIC protocol is designed to withstand packet injection attacks, once the...

CVE-2026-44435: Reachable Assertion

Quicly is an IETF QUIC protocol implementation intended primarily for use within the H2O HTTP server. Prior to commit 937d0e9, an assertion failure is raised when the total number of valid handshake messages received over a CRYPTO stream of a single packet number space exceeds 32KB, causing a...

CVE-2026-44433: Allocation of Resources Without Limits or Throttling

Quicly is an IETF QUIC protocol implementation intended primarily for use within the H2O HTTP server. Prior to commit 8b178e6, an adversarial peer could send a STREAM frame carrying just one byte at the largest offset being permitted to obtain additional flow control credit, which under certain...

PT-2026-60603

Name of the Vulnerable Software and Affected Versions h2o versions prior to commit 8dc37cb Description An issue exists when the server receives a ClientHello message over TLS or QUIC containing a zero-length SNI Server Name Indication extension. The server incorrectly assumes the hostname is...

CVE-2026-45695: Improper Neutralization of Special Elements used in an OS Command

Kopia is a cross-platform backup tool for Windows, macOS, and Linux with fast incremental backups, client-side end-to-end encryption, compression, and data deduplication. Prior to 0.23.0, Kopia's HTTP server started with --without-password accepts unauthenticated requests to /api/v1/repo/exists a...

Exploit for Path Traversal in Apache Http_Server

CVE-2021-41773 The GREENDARK hospi...

K000162269: Apache HTTP Server Vulnerabilities CVE-2026-42535 and CVE-2026-42536

Security Advisory Description CVE-2026-42535 A path handling issue in moddavfs in Apache 2.4.67 and earlier allows a WebDAV content author to directly manipulate trusted DAV property databases, potentially causing child process crashes. Users are recommended to upgrade to version 2.4.68, which...

The vulnerability of the mod_xml2enc module in the Apache HTTP Server allows a hacker to cause a service failure.

The vulnerability of the modxml2enc module in the Apache HTTP Server is related to buffer overflows in dynamic memory. Exploiting this vulnerability can allow a remote attacker to cause a service failure...

The vulnerability of the mod_proxy_ftp module in the Apache HTTP Server allows a hacker to cause a service failure.

The vulnerability of the modproxyftp module in the Apache HTTP Server is related to the execution of a loop with an unreachable exit condition. Exploiting this vulnerability could allow a remote attacker to cause a service failure...

The vulnerability of the mod_lda module in the Apache HTTP Server allows a hacker to execute arbitrary code or cause a denial-of-service attack.

The vulnerability of the modlda module in the Apache HTTP Server is related to the ability to utilize memory after it is freed. Exploiting this vulnerability could allow a remote attacker to execute arbitrary code or cause a denial-of-service attack...

DEBIAN-CVE-2026-49855

Tornado is a Python web framework and asynchronous networking library. Prior to 6.5.6, Tornado gzip decompression routines processed limited-size chunks but did not enforce an overall limit on accumulated decompressed chunks, allowing a malicious server accessed by SimpleAsyncHTTPClient or an...

CVE-2026-49855

Tornado is a Python web framework and asynchronous networking library. Prior to 6.5.6, Tornado gzip decompression routines processed limited-size chunks but did not enforce an overall limit on accumulated decompressed chunks, allowing a malicious server accessed by SimpleAsyncHTTPClient or an...

EulerOS 2.0 SP10 : httpd (EulerOS-SA-2026-2653)

According to the versions of the httpd packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : Allocation of Resources Without Limits or Throttling vulnerability in Apache HTTP Server's modmd via OCSP response data. This issue affects Apache...

EulerOS 2.0 SP10 : httpd (EulerOS-SA-2026-2693)

According to the versions of the httpd packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : Allocation of Resources Without Limits or Throttling vulnerability in Apache HTTP Server's modmd via OCSP response data. This issue affects Apache...

CVE-2026-55884

Tilt defines dev environments as code for microservice apps on Kubernetes. From 0.20.8 through 0.37.3, the Tilt HUD HTTP server registers handlers on a gorilla/mux router with no authenticating middleware. When the HUD is bound to a non-loopback address, an unauthenticated network caller can...

EUVD-2026-43036

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit edd7a120bfc4af11ac0cbebce2a43cc1f93f9af1, when h2o processes a QPACK instruction sent from the peer over HTTP/3, lib/http3/qpack.c might allocate an on-stack buffer as large as approximately 800 KB by calling...

PT-2026-57321

Name of the Vulnerable Software and Affected Versions h2o versions prior to commit edd7a120bfc4af11ac0cbebce2a43cc1f93f9af1 Description When processing a QPACK instruction sent from a peer over HTTP/3, the server may allocate an on-stack buffer of approximately 800 KB using the alloca function in...

CVE-2026-55884: Missing Authentication for Critical Function

Tilt defines dev environments as code for microservice apps on Kubernetes. From 0.20.8 through 0.37.3, the Tilt HUD HTTP server registers handlers on a gorilla/mux router with no authenticating middleware. When the HUD is bound to a non-loopback address, an unauthenticated network caller can...

Linux Distros Unpatched Vulnerability : CVE-2026-54753

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Nx is a monorepo solution for TypeScript and polyglot codebases. From 17.0.4 until 22.7.2 and 23.0.0-beta.2, the local HTTP server started by nx graph sent...

httpd: mod_proxy_ajp: off-by-one out-of-bounds reads in AJP getter functions

A flaw was found in the modproxyajp module of httpd. When processing AJP Apache JServ Protocol messages, the AJP getter functions attempt to read data beyond the allocated buffer size, allowing an attacker or a malformed request to cause an out-of-bounds read. This issue leads to a denial of...