CVE-2026-51266

CVE-2026-51266 is rejected/not used and does not represent an active vulnerability entry.

PT-2026-65507

schreibfaul1 ESP32-audioI2S 3.4.5 has a heap-based buffer overflow vulnerability in the HTTP request header construction logic. The application dynamically splices attacker-controlled host name, path, query string, and multiple HTTP header fields into a fixed ps ptr heap buffer without proper siz...

CVE-2026-66753: Improper Neutralization of CRLF Sequences in HTTP Headers

tiny-http through 0.12.0 contains an HTTP header injection vulnerability that allows attackers to inject carriage return 0x0D and line feed 0x0A bytes into HTTP header values on both request and response sides due to insufficient validation in header parsing and serialization. Attackers can explo...

CVE-2026-12383

The CVE-2026-12383 entry describes a flaw in the Event-Driven Ansible (EDA) server where ExternalEventStreamViewSet uses permissive access controls (permission_classes=[AllowAny] , authentication_classes=[] ), relying solely on the Subject header for mTLS authentication and not validating that th...

CVE-2026-12383: Insufficient Verification of Data Authenticity

A flaw was found in the Event-Driven Ansible EDA server. The ExternalEventStreamViewSet uses permissive access controls permissionclasses=AllowAny, authenticationclasses= and relies solely on the Subject HTTP header value for mTLS authentication without verifying that the header originated from a...

Security Bulletin: IBM DevOps Deploy / IBM UrbanCode Deploy (UCD) is affected by an HTTP Request/Response Splitting Vulnerability in Netty (CVE-2026-42578)

Summary Netty is used by IBM DevOps Deploy / IBM UrbanCode Deploy UCD for network communication. CVE-2026-42578. Vulnerability Details CVEID:CVE-2026-42578 DESCRIPTION: Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, Netty's...

EulerOS Virtualization 2.12.1 (EulerOS-SA-2026-2749)

According to the versions of the packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : User-controlled header names and values containing newlines can allow injecting HTTP headers.CVE-2026-0865 Tenable has extracted the...

CVE-2026-57309 Blind SQL Injection in Windu CMS

A Blind SQL injection vulnerability has been identified in Windu CMS. A remote unauthenticated attacker is able to inject SQL syntax into URL path in HTTP header resulting in Blind SQL Injection. Because vendor contact attempts were unsuccessful, the vulnerability has only been confirmed in versi...

CVE-2026-57309: Improper Neutralization of Special Elements used in an SQL Command

A Blind SQL injection vulnerability has been identified in Windu CMS. A remote unauthenticated attacker is able to inject SQL syntax into URL path in HTTP header resulting in Blind SQL Injection. Because vendor contact attempts were unsuccessful, the vulnerability has only been confirmed in versi...

CVE-2026-54465 websocket-driver: Memory exhaustion in HTTP header parser

websocket-driver is a WebSocket protocol handler with pluggable I/O. Prior to 0.8.1, when websocket-driver is used to implement a WebSocket server on top of a TCP server using WebSocket::Driver.server or to complement a WebSocket client, a peer can make a single connection consume an unbounded...

CVE-2026-9592

SEPPmail Secure Email Gateway & SEPPmail Cloud prior to 15.0.4.2 are vulnerable. The issue arises because the session token is disclosed in the URL and an HTTP header within the GINA web portal, allowing an attacker to replay and hijack a user session. Affected component: GINA web portal session ...

GHSA-74J5-XF3V-CRQ8 dd-trace-go: Improper parsing of W3C baggage headers may lead to DoS

Impact Datadog tracing libraries that implement W3C baggage propagation parse incoming baggage HTTP headers without enforcing item-count or byte-size limits on the extract path. The DDTRACEBAGGAGEMAXITEMS default 64 and DDTRACEBAGGAGEMAXBYTES default 8192 limits were applied only to baggage...

websocket-driver: Memory exhaustion in HTTP header parser

Impact If this library is used to implement a WebSocket server on top of a TCP server rather than an HTTP server or framework using the WebSocket::Driver.server method, or, if it is used to complement a WebSocket client, then a peer can make a single connection consume an unbounded amount of memo...

CVE-2026-12382: Authentication Bypass by Spoofing

A flaw was found in the AAP Gateway Envoy proxy configuration. The non-mTLS route to EDA event streams does not remove the Subject HTTP header from client requests, despite the source code defining requestHeadersToRemove for this header. An unauthenticated remote attacker can inject a spoofed...

PT-2026-60360

Name of the Vulnerable Software and Affected Versions dd-trace-py versions prior to 4.8.2 Description Datadog tracing libraries implementing W3C baggage propagation fail to enforce limits on the number of items or total bytes when parsing incoming baggage HTTP headers during the extraction proces...

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Overview Affected versions of this package are vulnerable to Improper Neutralization of Special Elements in Output Used by a Downstream Component 'Injection' in the handling of HTTP headers, specifically X-Forwarded-For and X-Real-IP. An attacker can impersonate arbitrary client IP addresses to...

CVE-2025-62826

Summary: CVE-2025-62826 describes an HTTP Response Splitting (CWE-113) in Fortinet FortiOS and FortiProxy products. Affected versions: FortiOS 7.6.0–7.6.4, FortiOS 7.4 all versions, FortiOS 7.2 all versions; FortiProxy 7.6.0–7.6.4, FortiProxy 7.4 all versions, FortiProxy 7.2 all versions. Root ca...

Fortinet Fortigate Header injection in captive portal authentication form (FG-IR-26-153)

The version of Fortigate installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the FG-IR-26-153 advisory. - An Improper Neutralization of CRLF Sequences in HTTP Headers 'HTTP Response Splitting' vulnerability CWE-113 vulnerability ...

NukeViet: Pre-authentication SSRF via X-Forwarded-Host

Summary An unauthenticated attacker can coerce the server into issuing HTTP requests to an attacker-chosen host by spoofing the X Forwarded-Host and X-Forwarded-Proto request headers. The forwarded host is used, without validation, to build the URL that serverinfoupdate fetches with cURL, resulti...

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...