EUVD-2026-49739

Allocation of resources without limits vulnerability in ninenines cowlib allows an unauthenticated remote HTTP/2 or HTTP/3 peer to exhaust memory on the vulnerable server or client and cause a denial of service. The HPACK and QPACK prefixed-integer decoder cowhpackcommon:decbigint/3 in...

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-2026-51266

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

CVE-2026-51266

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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...

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...

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...

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...

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 ...

EulerOS 2.0 SP12 : busybox (EulerOS-SA-2026-2521)

According to the versions of the busybox package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : BusyBox wget thru 1.3.7 accepted raw CR 0x0D/LF 0x0A and other C0 control bytes in the HTTP request- target path/query, allowing the request line ...

EulerOS 2.0 SP12 : busybox (EulerOS-SA-2026-2581)

According to the versions of the busybox packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : BusyBox wget thru 1.3.7 accepted raw CR 0x0D/LF 0x0A and other C0 control bytes in the HTTP request- target path/query, allowing the request line...

Insufficiently Protected Credentials

Overview n8n-core is a Core functionality of n8n Affected versions of this package are vulnerable to Insufficiently Protected Credentials through the HTTP Request V3 pagination expression handling in packages/nodes-base/nodes/HttpRequest/V3/HttpRequestV3.node.ts and...

EUVD-2025-210441

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-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...

GO-2026-5813 Hysteria: http large header with sniff cause server DoS in github.com/apernet/hysteria

Hysteria: http large header with sniff cause server DoS in github.com/apernet/hysteria. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports from vulnerability...

PT-2026-56197

Name of the Vulnerable Software and Affected Versions Django versions prior to 6.0.7 Django versions prior to 5.2.16 Description An issue exists where DomainNameValidator fails to prohibit newlines in domain names. While CharField strips newlines when used via a form field, other implementations...