CVE-2026-7111

Text::CSVXS versions before 1.62 for Perl have a use-after-free when registered callbacks extend the Perl argument stack, which may enable type confusion or memory corruption. The Parse, print, getline, and getlineall methods invoke registered callbacks for example afterparse, beforeprint, or...

CVE-2026-39831

A flaw was found in golang.org/x/crypto/ssh. The Verify method, responsible for FIDO/U2F security key types, did not properly check for user presence. This allowed signatures to be accepted without requiring a physical touch on the hardware security key. As a result, an attacker could potentially...

CVE-2025-47406

Information Disclosure while processing IOCTL handler callbacks without verifying buffer size...

CVE-2025-15470

The Eleganzo theme for WordPress is vulnerable to arbitrary directory deletion due to insufficient path validation in the akdrequiredplugincallback function in all versions up to, and including, 1.2. This makes it possible for authenticated attackers, with Subscriber-level access and above, to...

CVE-2026-34460

NamelessMC is website software for Minecraft servers. In versions 2.2.4 and prior, the OAuth callback handling does not validate the state parameter server-side before exchanging the authorization code. This allows an attacker to capture a valid OAuth callback URL for their own account and cause ...

CVE-2026-5808

A vulnerability was detected in openstatusHQ openstatus up to 1b678e71a85961ae319cbb214a8eae634059330c. This impacts an unknown function of the file apps/dashboard/src/app/dashboard/onboarding/client.tsx of the component Onboarding Endpoint. The manipulation of the argument callbackURL results in...

CVE-2026-28735

Mattermost versions 11.6.x = 11.6.0, 11.5.x = 11.5.3, 11.4.x = 11.4.4, 10.11.x = 10.11.14 fail to validate the OAuth token scope on the callback which allows an authenticated Mattermost user to gain access to private repositories via modifying the scope parameter in the GitHub authorization URL...

CVE-2026-40302

zrok is software for sharing web services, files, and network resources. Prior to version 2.0.1, the proxyUi template engine uses Go's text/template which performs no HTML escaping instead of html/template. The GitHub OAuth callback handlers in both publicProxy and dynamicProxy embed the...

CVE-2026-39368

WWBN AVideo is an open source video platform. In versions 26.0 and prior, the Live restream log callback flow accepted an attacker-controlled restreamerURL and later fetched that stored URL server-side, enabling stored SSRF for authenticated streamers. The vulnerable flow allowed a low-privilege...

CVE-2026-0718

The Post Grid Gutenberg Blocks for News, Magazines, Blog Websites – PostX plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the ultpshareCountcallback function in all versions up to, and including, 5.0.5. This makes it possible for...

CVE-2026-44501

DataHub is an open-source metadata platform. Prior to 1.5.0.3, The DataHub frontend datahub-frontend-react deserializes attacker-controlled Java objects from the REDIRECTURL HTTP cookie during the OIDC callback flow, with no integrity protection no HMAC, no encryption. This is a Deserialization o...

Klever-Go KVM: Unauthenticated remote node crash (nil-pointer DoS) in klever-go P2P transaction interceptor (txVersionChecker nil RawData) - potential chain halt

Summary Every transaction gossiped on the klever-go P2P network is decoded and validated synchronously inside the libp2p pubsub topic-validator callback. The validator txVersionChecker.CheckTxVersion dereferences tx.RawData.Version with no nil check. A protobuf Transaction whose embedded RawData...

PT-2026-48345

Summary Every transaction gossiped on the klever-go P2P network is decoded and validated synchronously inside the libp2p pubsub topic-validator callback. The validator txVersionChecker.CheckTxVersion dereferences tx.RawData.Version with no nil check. A protobuf Transaction whose embedded RawData...

golang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Authorization bypass due to skipped source-address validation

A flaw was found in golang.org/x/crypto/ssh. Source-address validation can be skipped when an SSH server configuration uses an authentication callback type other than public key, allowing authorization bypass in misconfigured servers. This is a follow-on to incomplete coverage from the...

ngtcp2: ngtcp2: Denial of service via stack buffer overflow during QUIC handshake

A flaw was found in ngtcp2, a C implementation of the IETF QUIC Quick UDP Internet Connections protocol. A remote attacker can exploit a stack buffer overflow vulnerability by sending specially crafted, large transport parameters during the QUIC handshake. This occurs when the qlog callback is...

CVE-2026-9516

Cpanel::JSON::XS versions before 4.41 for Perl allow denial of service via UTF-8 BOM prefixed input when a decode filter callback throws. To skip a leading 3-byte UTF-8 BOM, decodejson advances the input scalar's string pointer past the mark with SvPVset and restores it only on the normal return...

Cpanel::JSON::XS 安全漏洞

Cpanel::JSON::XS is a tool developed by RURBAN personal developers that converts Perl data structures into JSON format. Versions of Cpanel::JSON::XS prior to version 4.41 contained security vulnerabilities. These vulnerabilities stemmed from exceptions thrown during the decoding filter callback,...

CVE-2026-42073 OpenClaude's MCP OAuth Callback: State Check Bypass via error Param Leads to DoS

OpenClaude is an open-source coding-agent command line interface for cloud and local model providers. Prior to version 0.5.1, the OpenClaude MCP authentication flow starts a temporary local HTTP server to handle OAuth callbacks. To prevent CSRF attacks, the server validates a state parameter...

CVE-2026-42073 OpenClaude's MCP OAuth Callback: State Check Bypass via error Param Leads to DoS

OpenClaude is an open-source coding-agent command line interface for cloud and local model providers. Prior to version 0.5.1, the OpenClaude MCP authentication flow starts a temporary local HTTP server to handle OAuth callbacks. To prevent CSRF attacks, the server validates a state parameter...

EUVD-2026-33973

OpenClaude is an open-source coding-agent command line interface for cloud and local model providers. Prior to version 0.5.1, the OpenClaude MCP authentication flow starts a temporary local HTTP server to handle OAuth callbacks. To prevent CSRF attacks, the server validates a state parameter...