Deno run with --allow-read and --deny-read flags results in allowed

Summary deno run --allow-read --deny-read main.ts results in allowed, even though 'deny' should be stronger. Same with all global unary permissions given as --allow- --deny-. Details Caused by the fast exit logic in 22894. PoC Run the above command expecting no permissions to be passed. Impact Th...

CVE-2025-48934

Deno is a JavaScript, TypeScript, and WebAssembly runtime. Prior to versions 2.1.13 and 2.2.13, the Deno.env.toObject method ignores any variables listed in the --deny-env option of the deno run command. When looking at the documentation of the --deny-env option this might lead to a false...

CVE-2025-48888

Deno is a JavaScript, TypeScript, and WebAssembly runtime. Starting in version 1.41.3 and prior to versions 2.1.13, 2.2.13, and 2.3.2, deno run --allow-read --deny-read main.ts results in allowed, even though 'deny' should be stronger. The result is the same with all global unary permissions give...

Deno 安全漏洞

Deno is a simple, modern and secure JavaScript and TypeScript runtime environment from Deno Open Source. A security vulnerability exists in Deno versions prior to 2.1.13 and prior to 2.2.13, which stems from an omission of the deny-env option in the Deno.env.toObject method, which could lead to t...

Deno 安全漏洞

Deno is a simple, modern and secure JavaScript and TypeScript runtime environment from Deno Open Source. A security vulnerability exists in Deno versions prior to 2.1.13, prior to 2.2.13, and prior to 2.3.2, which stems from the deny-read permission not being in effect correctly, which could lead...

Asymmetry by Design: Boosting Cyber Defenders with Differential Access to AI

As AI-enabled cyber capabilities become more advanced, we propose "differential access" as a strategy to tilt the cybersecurity balance toward defense by shaping access to these capabilities. We introduce three possible approaches that form a continuum, becoming progressively more restrictive for...

CVE-2023-26431

IPv4-mapped IPv6 addresses did not get recognized as "local" by the code and a connection attempt is made. Attackers with access to user accounts could use this to bypass existing deny-list functionality and trigger requests to restricted network infrastructure to gain insight about topology and...

CVE-2023-26438

External service lookups for a number of protocols were vulnerable to a time-of-check/time-of-use TOCTOU weakness, involving the JDK DNS cache. Attackers that were timing DNS cache expiry correctly were able to inject configuration that would bypass existing network deny-lists. Attackers could...

CVE-2023-1296

HashiCorp Nomad and Nomad Enterprise 1.4.0 up to 1.5.0 did not correctly enforce deny policies applied to a workload’s variables. Fixed in 1.4.6 and 1.5.1...

CVE-2023-30613

Kiwi TCMS, an open source test management system, allows users to upload attachments to test plans, test cases, etc. In versions of Kiwi TCMS prior to 12.2, there is no control over what kinds of files can be uploaded. Thus, a malicious actor may upload an .exe file or a file containing embedded...

CVE-2023-50260

Wazuh is a free and open source platform used for threat prevention, detection, and response. A wrong validation in the hostdeny script allows to write any string in the hosts.deny file, which can end in an arbitrary command execution on the target system. This vulnerability is part of the active...

CVE-2022-24825

Smokescreen is a simple HTTP proxy that fogs over naughty URLs. The primary use case for Smokescreen is to prevent server-side request forgery SSRF attacks in which external attackers leverage the behavior of applications to connect to or scan internal infrastructure. Smokescreen also offers an...

CVE-2022-43699

OX App Suite before 7.10.6-rev30 allows SSRF because e-mail account discovery disregards the deny-list and thus can be attacked by an adversary who controls the DNS records of an external domain found in the host part of an e-mail address...

CVE-2022-29188

Smokescreen is an HTTP proxy. The primary use case for Smokescreen is to prevent server-side request forgery SSRF attacks in which external attackers leverage the behavior of applications to connect to or scan internal infrastructure. Smokescreen also offers an option to deny access to additional...

CVE-2022-20440

In Messaging, There has unauthorized broadcast, this could cause Local Deny of Service.Product: AndroidVersions: Android SoCAndroid ID: A-242259918...

CVE-2025-47780 cli_permissions.conf: deny option does not work for disallowing shell commands

Asterisk is an open-source private branch exchange PBX. Prior to versions 18.26.2, 20.14.1, 21.9.1, and 22.4.1 of Asterisk and versions 18.9-cert14 and 20.7-cert5 of certified-asterisk, trying to disallow shell commands to be run via the Asterisk command line interface CLI by configuring...

CVE-2019-13031

LemonLDAP::NG before 1.9.20 has an XML External Entity XXE issue when submitting a notification to the notification server. By default, the notification server is not enabled and has a "deny all" rule...

CVE-2019-14681

The Deny All Firewall plugin before 1.1.7 for WordPress allows wp-admin/options-general.php?page=dafsettingsremove=true CSRF...

CVE-2005-2808

frox 0.7.16 and 0.7.17 does not properly parse certain Deny ACLs, which might allow attackers to bypass intended restrictions and access blocked hosts...

PT-2025-20938

Name of the Vulnerable Software and Affected Versions: Remote Desktop Gateway Service affected versions not specified Description: The issue is related to uncontrolled resource consumption in the Remote Desktop Gateway Service, allowing an unauthorized attacker to deny service over a network. Thi...