Weakness (CWE)
CWE-494: Download of Code Without Integrity Check
The product downloads source code or an executable from a remote location and executes the code without sufficiently verifying the origin and integrity of the code.
How to prevent it (5 mitigations)
-
Implementation
Perform proper forward and reverse DNS lookups to detect DNS spoofing.
-
Architecture and Design, Operation
Encrypt the code with a reliable encryption scheme before transmitting.
-
Architecture and Design
Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid [REF-1482].
Speficially, it may be helpful to use tools or frameworks to perform integrity checking on the transmitted code.
- When providing the code that is to be downloaded, such as for automatic updates of the software, then use cryptographic signatures for the code and modify the download clients to verify the signatures. Ensure that the implementation does not contain CWE-295, CWE-320, CWE-347, and related weaknesses.
- Use code signing technologies such as Authenticode. See references [REF-454] [REF-455] [REF-456].
-
Architecture and Design, Operation
Run your code using the lowest privileges that are required to accomplish the necessary tasks [REF-76]. If possible, create isolated accounts with limited privileges that are only used for a single task. That way, a successful attack will not immediately give the attacker access to the rest of the software or its environment. For example, database applications rarely need to run as the database administrator, especially in day-to-day operations.
-
Architecture and Design, Operation
Run the code in a "jail" or similar sandbox environment that enforces strict boundaries between the process and the operating system. This may effectively restrict which files can be accessed in a particular directory or which commands can be executed by the software.
OS-level examples include the Unix chroot jail, AppArmor, and SELinux. In general, managed code may provide some protection. For example, java.io.FilePermission in the Java SecurityManager allows the software to specify restrictions on file operations.
This may not be a feasible solution, and it only limits the impact to the operating system; the rest of the application may still be subject to compromise.
Be careful to avoid CWE-243 and other weaknesses related to jails.
Source: MITRE CWE-494
118 results · Clear filters · Feed
-
High 7.5
Missing Integrity Verification in Progress Software Fiddler Download & Setup Skill
Missing integrity verification in the Progress Software Fiddler Download and Setup Skill on Linux, macOS, and Windows which allows an attacker to compromise or influence a release component and execute attacker-controlled code when a user runs the skill. On m…
-
High 8.4
Signed plug-in validation bypass
The PFI plugin framework deploys executable assemblies (DLLs) from a signed plugin package into the local plugin repository and loads them via reflection, but the deployment routine processes archive entries that were never covered by the signature verificati…
-
High 7.4
Openshift-ansible: openshift-ansible: installer container downloads and executes remote inventory script without integrity verification
A flaw was found in openshift-ansible. The installer container's `run` script downloads and executes remote inventory and dynamic scripts without integrity verification. A remote attacker, by performing a Man-in-the-Middle (MITM) attack or compromising the HT…
-
High 7.5
EnergizeLab Firmware Updates Downloaded over HTTP Without Integrity Checks
EnergizeLab AI Station firmware, EilikO Linux robot firmware v2.1_20260617182218_release, and the EnergizeLab Windows desktop app 3.1.2 download firmware updates over plain HTTP and do not verify their integrity or authenticity. An attacker able to intercept …
-
High 7.5
In the Eclipse Adoptium website (adoptium.net), in every deployment built from commit 0b24ea1 (2025-06-18) up to the fi…
-
High 7.5
Claude Code: Plugin Hash Pin Bypass Allows Bypass of Hash Pinning
Claude Code is an agentic coding tool. Prior to 2.1.179, the Claude Code and Claude Desktop plugin installation flow runs git checkout for a marketplace-pinned commit without verifying that the resulting HEAD equals the pinned 40-character SHA. An attacker wh…
-
High 7.5
powerlevel10k through 1.20.0 Download of Code Without Integrity Check in gitstatus Installer
Powerlevel10k through 1.20.0 contains an insecure download vulnerability in the gitstatus/install script that disables TLS certificate verification with curl -k and skips integrity checks when no SHA-256 utility exists. Network-positioned attackers can interc…
-
High 7.5
AstronRPA through 1.1.6 Unsigned Update Installation via Plain-HTTP Feed
AstronRPA through 1.1.6 contains a download of code without integrity check vulnerability that allows network attackers to deliver malicious updates by abusing the desktop client's auto-update mechanism. Attackers positioned between the client and server can …
-
High 7.5
Nginx UI: Self-upgrade runs an unsigned binary verified only by a same-origin digest → RCE via a compromised mirror or MITM
Nginx UI is a web user interface for the Nginx web server. From 2.0.0 until 2.5.0, the self-upgrade mechanism validates a downloaded binary only with a same-origin digest obtained from the same upgrade mirror. A compromised mirror or network attacker able to …
-
High 7.1
Red Lion Controls N-Tron 700 Series Download of Code Without Integrity Check
No authentication is required when updating firmware or bootloader, making it easy for malicious files to be pushed to the device. Additionally, anyone with the same software can scan a network for N-Tron devices and push/pull firmware without authenticating …
-
High 8.4
Mitel MiVoice Office 400 Shared Object Hijacking Leading to Arbitrary Code Execution
DigitalCanion has discovered a vulnerability that allows an attacker to cause the system to load an attacker-controlled .so file instead of the expected legitimate module. The loading mechanism relies on a predictable module name without adequately verifying …
-
High 8.5
Mitel MiVoice Office 400 Backup Restoration Arbitrary File Write Leading to Root Code Execution
DigitalCanion has discovered a vulnerability in the backup restoration functionality that allows an attacker with access to the configured backup repository to introduce arbitrary files into the system during restoration. The specific flaw exists within the b…
-
High 7.5
GitAhead 2.5.0 through 2.7.1 Unverified Update Installation and TLS Bypass
GitAhead 2.5.0 through 2.7.1 contains an insecure update mechanism that installs downloaded updates without integrity or signature verification and permanently ignores TLS errors after one SSL error dialog. Network attackers presenting an invalid certificate …
-
High 7.7
virtualenv: Downloaded seed wheels (pip/setuptools) are not integrity-checked before use
virtualenv is a tool for creating isolated virtual python environments. Prior to 21.7.12, download_wheel() accepts pip and setuptools seed wheels fetched for periodic updates or the --download option without checking their bytes against an authoritative diges…
-
High 8.8
Reachy Mini daemon allows unauthenticated remote code execution through the app installation endpoint
The Reachy Mini daemon exposes an HTTP API for managing the robot. Its app installation endpoint, POST /apps/install in src/reachy_mini/daemon/app/routers/apps.py, has no authentication. The handler's only dependency is Depends(get_app_manager), which just ha…
-
High 7.1
Joplin desktop Windows auto-updater accepts signed installer from any publisher because app-update.yml has no publisherName
Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Prior to 3.7.2, Joplin Desktop for Windows omits publisherName from packages/app-desktop/package.json, so the generated app-update.yml causes NsisUpdater…
-
High 7.3
Sublime Text 4192/3207 Local Privilege Escalation via Update Staging Mechanism
Sublime Text for Windows through Build 4192 (Sublime Text 4) and Build 3207 (Sublime Text 3) contains a local privilege escalation vulnerability that allows unprivileged local attackers to execute arbitrary code with elevated privileges by abusing the update …
-
High 7.5
Jenkins Script Security Plugin 1415.v9a_f9b_3a_c253d and earlier downloads a JAR file specified by URL twice, confirmin…
-
High 8.1
atomic-agents-stack before 1.1.0 Remote Code Execution via HTTP MCP
atomic-agents-stack before 1.1.0 accepts cleartext HTTP schemes in the HTTP MCP server-registry backend factory, allowing network man-in-the-middle attackers to rewrite catalog responses. Attackers can inject arbitrary command and argument values that are spa…
-
High 7.4
Dell SCG 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions prior to 5.36.00.00, contains…
-
High 8.1
MOOS essential-moos through 10.0.1 pAntler Remote Code Execution via Unauthenticated MISSION_FILE
MOOS essential-moos pAntler through 10.0.1 contains a remote code execution vulnerability that allows unauthenticated attackers to execute arbitrary programs by publishing a crafted MISSION_FILE message to the MOOSDB. Attackers can publish a mission file cont…
-
High 7.8
Hugging Face Transformers library writes remote code to disk prior to consent check
A vulnerability in Hugging Face Transformers (versions 4.57.0 to 5.16.1) allows remote Python files to be written to local disk without user consent when using GenerativePreTrainedModel.load_custom_generate(). The function fetches and caches a remote module f…
-
High 8.3
Hermes Agent 0.18.2 < 0.19.0 MCP Catalog Supply Chain RCE via Mutable Branch Reference
Hermes Agent 0.18.2 prior to 0.19.0 contains a supply chain vulnerability in its bundled MCP catalog that allows a remote attacker to execute arbitrary code by compromising a third-party upstream repository referenced via a mutable branch rather than a pinned…
-
High 8.1
Spring for GraphQL loads Untrusted Resources in GraphiQL support
The GraphiQL page bundled with Spring for GraphQL loads JavaScript libraries from a public CDN, without Subresource Integrity checks. An attacker can inject malicious code in those scripts and execute arbitrary code on the browser loading the GraphiQL page. S…
-
High 8.1
NVIDIA NemoClaw for Linux contains a vulnerability in its installation process, where an attacker could cause execution…
-
High 7.5
NVIDIA NemoClaw for Linux contains a vulnerability in its installation scripts, where an attacker could cause a downloa…
-
High 7.3
stigmem Plugin Signature Enforcement Bypass via Configuration
stigmem-node 0.9.0a1 allows plugin signature enforcement to be disabled via a single configuration flag without a second explicit acknowledgment. If that setting is carried into an environment where plugin directories are writable by less-trusted users, unsig…
-
High 7.5
ZeroBrew version 0.3.1 and prior Missing Checksum Verification RCE via shim.rb
ZeroBrew version 0.3.1 and prior contains a missing integrity verification vulnerability in the Ruby compatibility shim that allows network attackers to execute arbitrary code by substituting malicious content at formula resource or URL-based patch URLs witho…
-
High 8.3
IBM i Access Client Solutions (ACS) is Affected By Multiple Vulnerabilities
IBM i Access Client Solutions 1.1.2.0 through 1.1.9.13 (ACS) is vulnerable to downloading unverified product code when configured to update from an IBM i. A bad actor could use this vulnerablity to run compromised code on the ACS user's workstation.
-
High 7.3
eParakstītājs 3.0 for Windows – remote code execution via unauthenticated auto-update
eParakstītājs 3.0 for Windows before version 1.10.0 retrieves and executes its automatic updates over a channel that is not authenticated or integrity-protected. On each launch the application fetches an update descriptor (XML) over TLS but accepts any TLS ce…
-
High 7.5
Parse Server - Arbitrary Code Execution via Malicious Version Tags
Parse Server before 4.10.0 was affected by a supply chain incident in which incorrect version tags were pushed to the official repository pointing to an unreviewed personal fork of a contributor with write access. No releases were published with these tags; a…
-
High 7.5
Parse Server - Unreviewed Code Execution via Malicious Version Tags
Parse Server before 4.10.0 contains a supply chain vulnerability where incorrect version tags were pushed to the repository linking to unreviewed code in a personal fork. Attackers could exploit this by specifying affected version tags in dependency declarati…
-
High 8.8
pnpm: Project env lockfile can short-circuit package-manager resolution and execute lockfile-selected pnpm bytes
pnpm is a package manager. Prior to 10.34.2 and 11.5.3, pnpm can persist package-manager bootstrap metadata in the first YAML document of pnpm-lock.yaml. Before the patch, direct pnpm execution trusted an already resolved packageManagerDependencies entry when…
-
High 7.5
pnpm: Repository-controlled configDependencies can select a pacquet native install engine
pnpm is a package manager. Prior to 10.34.2 and 11.5.3, pnpm can install configDependencies declared in pnpm-workspace.yaml before command dispatch. Before the patch, a repository could declare pacquet or @pnpm/pacquet as a config dependency and pnpm treated …
-
High 8.7
Angular: Multiple Remote Code Execution Vulnerabilities in Angular Language Service VS Code Extension
The Angular Language Service VS Code Extension provides a rich editing experience for Angular templates. Prior to 21.2.4, the client-side Angular Language Service VS Code extension reads the custom TypeScript SDK paths typescript.tsdk and js/ts.tsdk.path dire…
-
High 8.8
The ConnectWise Automate™ Agent does not fully verify the authenticity of components obtained during plugin loading and…
-
High 7.5
apko doesn't verify downloaded apk packages against APKINDEX checksum (package substitution possible)
apko allows users to build and publish OCI container images built from apk packages. Prior to version 1.2.7, apko verifies the signature on APKINDEX.tar.gz but never compares individually downloaded .apk packages against the checksum recorded in the signed in…
-
High 8.9
Lockfile checksums not verified in Hex allows dependency integrity bypass
Insufficient Verification of Data Authenticity vulnerability in hexpm hex (Hex.RemoteConverger module) allows dependency integrity bypass via unverified lockfile checksums. Hex stores checksums for dependencies in the mix.lock file to ensure reproducible and …
-
High 7.7CVE-2026-42249 Public exploit
Remote Code Execution in Ollama via Update Mechanism
Ollama for Windows contains a Remote Code Execution vulnerability in its update mechanism due to improper handling of attacker‑controlled HTTP response headers. When downloading updates, the application constructs local file paths using values derived from HT…
-
High 7.7CVE-2026-42248 Public exploit
Missing Signature Verification for Updates in Ollama
Ollama for Windows does not perform integrity or authenticity verification of downloaded update executables. Unlike other platforms, the Windows implementation of the update verification routine unconditionally returns success so no digital signature or trust…