CVE-2026-31976 xygeni-action v5 tag poisoned with C2 backdoor

xygeni-action is the GitHub Action for Xygeni Scanner. On March 3, 2026, an attacker with access to compromised credentials created a series of pull requests 46, 47, 48 injecting obfuscated shell code into action.yml. The PRs were blocked by branch protection rules and never merged into the main...

CVE-2026-31852

Jellyfin is an open-source media system. The code-quality.yml GitHub Actions workflow in jellyfin/jellyfin-ios is vulnerable to arbitrary code execution via pull requests from forked repositories. Due to the workflow's elevated permissions nearly all write permissions, this vulnerability enables...

CVE-2026-31852

Jellyfin is an open-source media system. The code-quality.yml GitHub Actions workflow in jellyfin/jellyfin-ios is vulnerable to arbitrary code execution via pull requests from forked repositories. Due to the workflow's elevated permissions nearly all write permissions, this vulnerability enables...

CVE-2026-31852 Jellyfin Possible Organization/Secret Compromise from dangerous CI implementation

Jellyfin is an open-source media system. The code-quality.yml GitHub Actions workflow in jellyfin/jellyfin-ios is vulnerable to arbitrary code execution via pull requests from forked repositories. Due to the workflow's elevated permissions nearly all write permissions, this vulnerability enables...

CVE-2026-31852

CVE-2026-31852 affects the Jellyfin project, specifically the GitHub Actions workflow in jellyfin/jellyfin-ios (code-quality.yml). The root cause is an elevated-permissions workflow that accepts pull requests from forked repositories, enabling arbitrary code execution and full takeover of the jel...

EUVD-2026-11242

Jellyfin is an open-source media system. The code-quality.yml GitHub Actions workflow in jellyfin/jellyfin-ios is vulnerable to arbitrary code execution via pull requests from forked repositories. Due to the workflow's elevated permissions nearly all write permissions, this vulnerability enables...

CVE-2026-31852 Jellyfin Possible Organization/Secret Compromise from dangerous CI implementation

Jellyfin is an open-source media system. The code-quality.yml GitHub Actions workflow in jellyfin/jellyfin-ios is vulnerable to arbitrary code execution via pull requests from forked repositories. Due to the workflow's elevated permissions nearly all write permissions, this vulnerability enables...

PT-2026-24746

Name of the Vulnerable Software and Affected Versions Jellyfin versions affected versions not specified Description Jellyfin is an open-source media system. The code-quality.yml GitHub Actions workflow in the jellyfin/jellyfin-ios repository is susceptible to arbitrary code execution through pull...

EUVD-2026-10792

An improper neutralization of input vulnerability was identified in GitHub Enterprise Server that allowed DOM-based cross-site scripting via task list content. The task list content extraction logic did not properly re-encode browser-decoded text nodes before rendering, allowing user-supplied HTM...

CVE-2026-2266

An improper neutralization of input vulnerability was identified in GitHub Enterprise Server that allowed DOM-based cross-site scripting via task list content. The task list content extraction logic did not properly re-encode browser-decoded text nodes before rendering, allowing user-supplied HTM...

CVE-2026-2266 Improper neutralization of input vulnerability was identified in GitHub Enterprise Server that allowed cross-site scripting via task list content and enabled arbitrary HTML injection

An improper neutralization of input vulnerability was identified in GitHub Enterprise Server that allowed DOM-based cross-site scripting via task list content. The task list content extraction logic did not properly re-encode browser-decoded text nodes before rendering, allowing user-supplied HTM...

CVE-2026-3306

An improper authorization vulnerability was identified in GitHub Enterprise Server that allowed a user with read access to a repository and write access to a project to modify issue and pull request metadata through the project. When adding an item to a project that already existed, column value...

CVE-2026-27941

OpenLIT is an open source platform for AI engineering. Prior to version 1.37.1, several GitHub Actions workflows in OpenLIT's GitHub repository use the pullrequesttarget event while checking out and executing untrusted code from forked pull requests. These workflows run with the security context ...

CVE-2026-27941 OpenLIT Vulnerable to Remote Code Execution and Secret Exposure via Misuse of `pull_request_target` in GitHub Actions Workflows

OpenLIT is an open source platform for AI engineering. Prior to version 1.37.1, several GitHub Actions workflows in OpenLIT's GitHub repository use the pullrequesttarget event while checking out and executing untrusted code from forked pull requests. These workflows run with the security context ...

PT-2026-22081

Name of the Vulnerable Software and Affected Versions OpenLIT versions prior to 1.37.1 Description OpenLIT, an open source AI engineering platform, has an issue in GitHub Actions workflows prior to version 1.37.1. These workflows use the pull request target event and execute untrusted code from...

CVE-2026-1999

An incorrect authorization vulnerability was identified in GitHub Enterprise Server that allowed an attacker to merge their own pull request into a repository without having push access by exploiting an authorization bypass in the enableautomerge mutation for pull requests. This issue only affect...

GitHub Enterprise Server 安全漏洞

GitHub Enterprise Server is an open-source application developed by GitHub in the United States. It provides a scalable and easy-to-manage platform by allowing users to set their GitHub instances as virtual devices. There are security vulnerabilities in versions of GitHub Enterprise Server prior ...

PT-2026-20504

Name of the Vulnerable Software and Affected Versions GitHub Enterprise Server versions prior to 3.17.11 GitHub Enterprise Server versions prior to 3.18.5 GitHub Enterprise Server versions prior to 3.19.2 Description An authorization flaw exists in GitHub Enterprise Server that could allow an...

GHSA-R79C-PQJ3-577X Super-linter is vulnerable to command injection via crafted filenames in Super-linter Action

Summary The Super-linter GitHub Action is vulnerable to command injection via crafted filenames. When this action is used in downstream GitHub Actions workflows, an attacker can submit a pull request that introduces a file whose name contains shell command substitution syntax, such as $.... In...

CVE-2026-1699

In the Eclipse Theia Website repository, the GitHub Actions workflow .github/workflows/preview.yml used pullrequesttarget trigger while checking out and executing untrusted pull request code. This allowed any GitHub user to execute arbitrary code in the repository's CI environment with access to...