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CVE-2026-56865

Fix transparency log tile verification bypass in golang.org/x/mod/sumdb/tlog

A malicious GOPROXY was previously capable of forging up to two sumdb tiles that allow for a requested module to bypass the GOSUMDB check and persist attacker-controlled module content to a local Go module cache. This attack allows for a malicious GOPROXY to serve malicious module content that cannot be detected by evaluating the transparency log. All tiles are now correctly verified against their parents. In order to determine if you have been affected: rm -r go.sum go.work.sum vendor/ && go mod tidy

CVSS 3.1 · 8.4 High EPSS < 1% KEV · Not listed
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CVE-2026-13722

WatchGuard Firebox Firmware Image Validation Bypass in WatchGuard Fireware OS

WatchGuard Fireware OS contains a firmware validation bypass when processing a backup image via the backup/restore feature. An authenticated administrator can exploit this vulnerability to install a tampered firmware image.

CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
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CVE-2026-56179

Windows Network Address Translation (NAT) Spoofing Vulnerability

Origin validation error in Windows Network Address Translation (NAT) allows an unauthorized attacker to perform spoofing over an adjacent network.

CVSS 3.1 · 8.3 High EPSS < 1% KEV · Not listed
Vendors
CVE-2025-59327

Boot Integrity Bypass via LUKS Validation Failure in CPSD CryptoPro Secure Disk for Bitlocker

In CPSD CryptoPro Secure Disk for Bitlocker before v7.7.4, bootxsa.efi fails to properly validate LUKS encryption and, if encryption is present, all CryptoPro file integrity checks are skipped.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
CVE-2025-59324

CryptoPro Secure Disk Skips Integrity Checks on LUKS Encryption, Allowing Tampered Data

CPSD CryptoPro Secure Disk for Bitlocker before v7.7.4 fails to properly validate LUKS encryption and, if encryption is present, all CryptoPro file integrity checks are skipped.

CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed
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CVE-2025-59323

DataStore Integrity Validation Failure Enabling High‑Privilege Code Execution

CPSD CryptoPro Secure Disk for Bitlocker before v7.7.4 fails to validate the integrity of the DataStore, a non-partitioned filesystem, responsible for storing configuration and cryptographic details. Crafted DataStore contents can impact service availability and/or allow for code execution in the context of high privilege.

CVSS 3.1 · 8.4 High EPSS < 1% KEV · Not listed
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CVE-2026-46701

Network-AI: Unauthenticated Cross-Origin MCP Tool Invocation via Empty Default Secret

Network-AI is a TypeScript/Node.js multi-agent orchestrator. Prior to version 5.4.5, the MCP SSE server defaults to an empty secret (`process.env['NETWORK_AI_MCP_SECRET'] ?? ''` at `bin/mcp-server.ts:89`), which causes `_isAuthorized` (`lib/mcp-transport-sse.ts:254`) to return `true` unconditionally for every request — no `Authorization` header is required. Simultaneously, `_handleRequest` sets `Access-Control-Allow-Origin: *` (`lib/mcp-transport-sse.ts:272`) on every response, so a cross-origin browser fetch can read the result without restriction. An unauthenticated attacker who can lure a user to a malicious web page can invoke all 22 exposed MCP tools — including `config_set`, `agent_spawn`, and `blackboard_write` — against a default-configured localhost server. Version 5.4.5 patches the issue.

CVSS 3.1 · 7.6 High EPSS < 1% KEV · Not listed
CVE-2026-18676

Kong Mesh: default control plane config leaks the admin token cross-origin via a CORS wildcard and localhost admin

The default kuma-cp configuration in Kong Mesh reveals the admin bootstrap token and signing keys to any webpage the operator visits while the control plane is reachable from their browser. Due to a CORS misconfiguration a cross-origin fetch() from a malicious page returns the admin JWT and signing material.

CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed
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CVE-2026-48791

Sigstore Java has a vulnerability with bundle verification of integratedTime

sigstore-java is a sigstore java client for interacting with sigstore infrastructure. Version 2.0.0 erroneously removed verification of the integrated (Rekor entry) time) against the Fulcio certificate. Version 2.1.0 re-added this verification with enhancements that adhere to the Sigstore verification spec. The old sigstore-conformance test for this check was built incorrectly. This vulnerability impacts only users verifying bundles with `dev.sigstore:sigstore-java:2.0.0`. Older versions are not affected; it is fixed in `dev.sigstore:sigstore-java:2.1.0` A malicious actor may exploit this if they were able to access a users system and exfiltrate the temporary private key used during signing and then reuse an old fulcio certificate later without requiring direct access to the user's credentials. Users may protect themselves by re-verifying their artifacts using the newest sigstore-java or another current sigstore client. Transparency logs may also be audited for unauthorized signatures for a suspected reused identity.

CVSS 3.1 · 2 Low EPSS < 1% KEV · Not listed
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Products
CVE-2026-62869

Azure Entra ID Spoofing Vulnerability

Insufficient verification of data authenticity in Azure Entra ID allows an authorized attacker to perform spoofing over a network.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
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CVE-2026-72544

OpenSignLabs OpenSign - Insufficient Verification of Data Authenticity

An integrity verification vulnerability in OpenSignLabs OpenSign through 2.37.0 allows unauthenticated remote attackers to forge document audit-trail entries via the triggerevent Parse cloud function. The function accepts viewer identity and IP address as caller-supplied parameters without authentication, allowing fabrication of arbitrary audit log entries. An attacker can tamper with the legal audit trail of any signed document, undermining non-repudiation.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
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Products
CVE-2025-31356

TDX Data Authenticity Verification Flaw Enabling Information Disclosure

Insufficient verification of data authenticity for some Intel(R) Trust Domain Extensions (Intel(R) TDX) within Ring 0: Hypervisor may allow an information disclosure. A system software adversary with a privileged user access combined with a high complexity attack may enable data exposure. This result may potentially occur via local access when attack requirements are present without any user interaction. The potential vulnerability may impact the confidentiality (high), integrity (low) and no effect on availability. Subsequent system impacts include reduced confidentiality (low), integrity (low), and no effect on availability.

CVSS 4.0 · 5.6 Medium EPSS < 1% KEV · Not listed
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CVE-2026-58262

Klever-Go: PubKeysBitmap padding bits bypass the BLS signature quorum

Klever-Go is the Go implementation of the Klever blockchain protocol. Prior to 1.7.20, header signature verification counts the unused padding bits of the PubKeysBitmap toward the two-thirds validator quorum. These padding bits do not correspond to any validator and are ignored by the actual BLS aggregate-signature check, so a malicious or compromised block producer can set them to reach the required quorum while gathering fewer genuine validator signatures than the protocol demands. As a result, nodes that import or intercept the header accept it as correctly signed without a real two-thirds quorum, weakening consensus safety and undermining finality. This issue is fixed in version 1.7.20.

CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
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CVE-2026-18044

Estatik Real Estate Plugin < 4.3.4 - Unauthenticated Arbitrary-Recipient Mail Relay via Signed-Value Mismatch

The Estatik Real Estate Plugin WordPress plugin before 4.3.4 does not validate the same recipient list that it later uses to address the message sent by its property request form, allowing unauthenticated users to send emails to arbitrary recipients with arbitrary subject, body and Reply-To on sites where the form is configured to route to a custom address.

CVSS 3.1 · 3.7 Low EPSS < 1% KEV · Not listed
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CVE-2022-20795

Cisco Adaptive Security Appliance and Cisco Firepower Threat Defense Software AnyConnect SSL VPN Denial of Service Vulnerability

A vulnerability in the implementation of the Datagram TLS (DTLS) protocol in Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause high CPU utilization, resulting in a denial of service (DoS) condition. This vulnerability is due to suboptimal processing that occurs when establishing a DTLS tunnel as part of an AnyConnect SSL VPN connection. An attacker could exploit this vulnerability by sending a steady stream of crafted DTLS traffic to an affected device. A successful exploit could allow the attacker to exhaust resources on the affected VPN headend device. This could cause existing DTLS tunnels to stop passing traffic and prevent new DTLS tunnels from establishing, resulting in a DoS condition. Note: When the attack traffic stops, the device recovers gracefully.

CVSS 3.1 · 5.8 Medium EPSS < 1% KEV · Not listed
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CVE-2020-3308

Cisco Firepower Threat Defense Software Signature Verification Bypass Vulnerability

A vulnerability in the Image Signature Verification feature of Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, remote attacker with administrator-level credentials to install a malicious software patch on an affected device. The vulnerability is due to improper verification of digital signatures for patch images. An attacker could exploit this vulnerability by crafting an unsigned software patch to bypass signature checks and loading it on an affected device. A successful exploit could allow the attacker to boot a malicious software patch image.

CVSS 3.1 · 4.9 Medium EPSS < 1% KEV · Not listed
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CVE-2023-20275

A vulnerability in the AnyConnect SSL VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, remote attacker to send packets with another VPN user's source IP address. This vulnerability is due to improper validation of the packet's inner source IP address after decryption. An attacker could exploit this vulnerability by sending crafted packets through the tunnel. A successful exploit could allow the attacker to send a packet impersonating another VPN user's IP address. It is not possible for the attacker to receive return packets.

CVSS 3.1 · 4.1 Medium EPSS < 1% KEV · Not listed
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