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12 May 2026

Vulnerabilities first published on this day (UTC), newest first.

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  • Critical 9.0
    CVE-2026-41901 Exploited Public exploit

    Thymeleaf: Improper recognition of unauthorized syntax patterns in sandboxed Thymeleaf expressions

    Thymeleaf is a server-side Java template engine for web and standalone environments. Prior to 3.1.5.RELEASE, a security bypass vulnerability exists in the expression execution mechanisms of Thymeleaf. Although the library provides mechanisms to avoid the exec…

  • Critical 9.4
    CVE-2026-44262 Public exploit Scanner template

    Scramble: Remote code execution via evaluation of user-controlled input in validation rules

    Scramble generates API documentation for Laravel project. From 0.13.2 to before 0.13.22, when documentation endpoints are publicly accessible and validation rules reference user-controlled input, request supplied data may be evaluated during documentation gen…

  • High 7.2
    CVE-2026-44403 Public exploit

    Wing FTP Server < 8.1.3 Authenticated Remote Code Execution via Session Serialization

    Wing FTP Server before 8.1.3 contains an authenticated remote code execution vulnerability in the session serialization mechanism that allows authenticated administrators to inject arbitrary Lua code through the domain admin mydirectory field. Attackers can e…

  • High 7.2
    CVE-2026-44246 Public exploit

    nnU-Net: Agentic workflow injection in `.github/workflows/issue-triage.yml` of `MIC-DKFZ/nnUNet`

    nnU-Net is a semantic segmentation framework that automatically adapts its pipeline to a dataset. Prior to 2.4.1, the nnU-Net Issue Triage workflow in .github/workflows/issue-triage.yml is vulnerable to Agentic Workflow Injection. The workflow sets allowed_no…

  • High 8.6
    CVE-2026-44011 Public exploit

    Craft CMS: Potential authenticated Remote Code Execution via malicious attached Behavior

    Craft CMS is a content management system (CMS). From 4.0.0 to before 4.17.12 and 5.9.18, Craft CMS which contains an input-handling flaw in a Yii object creation path that let any authenticated user inject malicious configuration and execute arbitrary command…

  • Critical 9.3
    CVE-2026-44225 Public exploit

    Pulpy: Incomplete filesystem sandbox in pulpy.fs bridge allows packaged web apps to read arbitrary user files

    Pulpy is a lightweight, cross-platform desktop application packager for web apps. Prior to 0.1.1, Pulpy injects a pulpy.fs JavaScript API into every packaged web application, giving it access to the host filesystem. A validateFsPath() function is supposed to …

  • Critical 9.1
    CVE-2026-29204 Public exploit

    Insufficient ownership check in `clientarea.php` allows an authenticated client area user to submit requests using anot…

  • Critical 9.6
    CVE-2026-42048 Public exploit

    Langflow: Path Traversal in Langflow Knowledge Bases API

    Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.9.0, Langflow is vulnerable to Path Traversal in the Knowledge Bases API (DELETE /api/v1/knowledge_bases). This occurs because user-supplied knowledge base names are con…

  • Medium 6.1
    CVE-2026-44166 Public exploit

    Pocketbase: Account pre-hijacking via OAuth2 unverfied->verified autolinking upgrade

    Pocketbase is an open source web backend written in go. Prior to 0.22.42 and 0.37.4, in some situations, if an attacker knows the email address of the victim they can create and link an unverified PocketBase user in advance by authenticating with one of the O…

  • High 7.7
    CVE-2026-42141 Public exploit

    Xibo: Authenticated Server-Side Request Forgery (SSRF) in Library Upload via URL functionality

    Xibo is an open source digital signage platform with a web content management system and Windows display player software. Prior to 4.4.1, an authenticated Server-Side Request Forgery (SSRF) vulnerability in the Xibo CMS allows users with Library upload permis…

  • High 7.8
    CVE-2026-40369 Public exploit

    Windows Kernel Elevation of Privilege Vulnerability

    Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.

  • Critical 9.8
    CVE-2026-41096 Public exploit

    Windows DNS Client Remote Code Execution Vulnerability

    Heap-based buffer overflow in Microsoft Windows DNS allows an unauthorized attacker to execute code over a network.

  • Critical 9.8
    CVE-2026-41089 Public exploit EPSS 78%

    Windows Netlogon Remote Code Execution Vulnerability

    Stack-based buffer overflow in Windows Netlogon allows an unauthorized attacker to execute code over a network.

  • High 7.8
    CVE-2026-34344 Public exploit

    Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

    Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

  • Critical 9.1
    CVE-2026-44277 Public exploit

    A improper access control vulnerability in Fortinet FortiAuthenticator 8.0.2, FortiAuthenticator 8.0.0, FortiAuthentica…

  • Critical 9.1
    CVE-2026-43515 Public exploit

    Apache Tomcat: Security constraints not correctly applied

    Improper Authorization vulnerability when multiple method constraints define an HTTP method for the same extension in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.11…

  • Critical 9.8
    CVE-2026-43512 Public exploit

    Apache Tomcat: Digest authenticator will authenticate any unknown user

    DEPRECATED: Authentication Bypass Issues vulnerability in digest authentication in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from…

  • Critical 9.8
    CVE-2026-41293 Public exploit

    Apache Tomcat: HTTP/2 request headers not validated

    Improper Input Validation vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 10.0.0-M1 through 10.0.27. Older, end of support versions may also …

  • Medium 4.7
    CVE-2026-5061 Public exploit

    Consul-template vulnerable to sandbox path bypass in file helper via a symlink attack

    The consul-template library before version 0.42.0 is vulnerable to a sandbox path bypass in the file template helper that may allow reading an out-of-sandbox file. This vulnerability (CVE-2026-5061) is fixed in consul-template 0.42.0.

  • Critical 9.1
    CVE-2026-45091 Public exploit

    sealed-env: TOTP secret embedded in unseal token payload (enterprise mode)

    sealed-env is a cross-stack, zero-trust secret management library for Node.js and Java/Spring Boot. In sealed-env enterprise mode, versions 0.1.0-alpha.1 through 0.1.0-alpha.3 embedded the operator's literal TOTP secret in the JWS payload of every minted unse…

  • High 8.8
    CVE-2026-8389 Public exploit

    JIT miscompilation in the JavaScript Engine: JIT component

    JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3.

  • Medium 6.5
    CVE-2026-8388 Public exploit

    Incorrect boundary conditions in the JavaScript Engine: JIT component

    Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11.

  • High 8.7
    CVE-2026-5029 Public exploit

    RCE in Code Runner MCP Server

    A remote code execution vulnerability exists in Code Runner MCP Server when run with the --transport http option, which exposes the /mcp JSON-RPC endpoint without authentication on port 3088. An unauthenticated remote attacker can invoke the run-code MCP tool…

  • High 7.5
    CVE-2026-8161 Public exploit

    multiparty vulnerable to Denial of Service via Prototype Pollution leading to Uncaught Exception

    multiparty@4.2.3 and lower versions are vulnerable to denial of service via uncaught exception. By sending a multipart/form-data request with a field name that collides with an inherited Object.prototype property such as __proto__, constructor, or toString, t…

  • Critical 9.1
    CVE-2026-41551 Public exploit

    A vulnerability has been identified in ROS# (All versions < V2.2.2). Affected versions contain a path traversal vulnera…

  • Critical 9.6
    CVE-2026-45321 Exploited · Ransomware Public exploit

    Malware in 42 @tanstack/* packages exfiltrates cloud credentials, GitHub tokens, and SSH keys

    On 2026-05-11, between approximately 19:20 and 19:26 UTC, 84 malicious versions across 42 @tanstack/* packages were published to the npm registry. The publishes were authenticated via the legitimate GitHub Actions OIDC trusted-publisher binding for TanStack/r…

    KEV May 27, 2026
  • Critical 9.8
    CVE-2026-45185 Public exploit

    Exim before 4.99.3, in certain GnuTLS configurations, has a remotely reachable use-after-free in the BDAT body parsing …