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GitHub
165 known vulnerabilities.
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Medium 6.3
Path traversal vulnerability in GitHub Enterprise Server that allowed arbitrary file read with a specially crafted GitHub Pages artifact upload
A path traversal vulnerability was identified in GitHub Enterprise Server that allowed an attacker to gain unauthorized read permission to files by deploying arbitrary symbolic links to a GitHub Pages site with a specially crafted artifact tarball. To exploit…
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Medium 6.5
Cross-site Scripting in the tag name pattern field in the tag protections UI in GitHub Enterprise Server allows a malic…
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Medium 6.5
Privilege Escalation by Code Injection in the Management Console in GitHub Enterprise Server
An attacker with access to a Management Console user account with the editor role could escalate privileges through a command injection vulnerability in the Management Console. This vulnerability affected all versions of GitHub Enterprise Server and was fixed…
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Medium 4.9
Incorrect Authorization for Issue Comments in GitHub Enterprise Server
An incorrect authorization vulnerability was identified in GitHub Enterprise Server that allowed issue comments to be updated with an improperly scoped token. This vulnerability did not allow unauthorized access to any repository content as it also required c…
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Medium 6.3
Race Condition allows Administrative Access on Organization Repositories
A race condition in GitHub Enterprise Server was identified that could allow an attacker administrator access. To exploit this, an organization needs to be converted from a user. This vulnerability affected all versions of GitHub Enterprise Server since 3.7 a…
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Medium 6.5
Improper Privilege Management allows for arbitrary workflows to be run
Improper privilege management allowed arbitrary workflows to be committed and run using an improperly scoped PAT. To exploit this, a workflow must have already existed in the target repo. This vulnerability affected all versions of GitHub Enterprise Server si…
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Medium 5.8
Race Condition allows Unauthorized Outside Collaborator
A race condition in GitHub Enterprise Server allows an outside collaborator to be added while a repository is being transferred. This vulnerability affected all versions of GitHub Enterprise Server since 3.8 and was fixed in version 3.8.12, 3.9.7, 3.10.4, and…
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Medium 6.8
Path traversal in GitHub Enterprise Server leading to arbitrary file reading when building a GitHub Pages site
A path traversal vulnerability was identified in GitHub Enterprise Server that allowed arbitrary file reading when building a GitHub Pages site. To exploit this vulnerability, an attacker would need permission to create and build a GitHub Pages site on the Gi…
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Medium 5.3
Improper access control in all versions of GitHub Enterprise Server allows unauthorized users to view private repositor…
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Medium 4.5
Incorrect comparison vulnerability in GitHub Enterprise Server leading to commit smuggling
An incorrect comparison vulnerability was identified in GitHub Enterprise Server that allowed commit smuggling by displaying an incorrect diff in a re-opened Pull Request. To do so, an attacker would need write access to the repository. This vulnerability aff…
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Medium 5.3
Information disclosure in GitHub Enterprise Server leading to private repository leakage
An authorization/sensitive information disclosure vulnerability was identified in GitHub Enterprise Server that allowed a fork to retain read access to an upstream repository after its visibility was changed to private. This vulnerability affected all version…
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Medium 4.8
Incorrect comparison vulnerability in GitHub Enterprise Server leading to commit smuggling
An incorrect comparison vulnerability was identified in GitHub Enterprise Server that allowed commit smuggling by displaying an incorrect diff in a re-opened Pull Request. To exploit this vulnerability, an attacker would need write access to the repository. T…
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Medium 4.8
Incorrect comparison vulnerability in GitHub Enterprise Server leading to commit smuggling
An incorrect comparison vulnerability was identified in GitHub Enterprise Server that allowed commit smuggling by displaying an incorrect diff within the GitHub pull request UI. To do so, an attacker would need write access to the repository. This vulnerabili…
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Medium 6.4
Quadratic complexity bugs may lead to a denial of service
cmark-gfm is an extended version of the C reference implementation of CommonMark, a rationalized version of Markdown syntax with a spec. Three polynomial time complexity issues in cmark-gfm may lead to unbounded resource exhaustion and subsequent denial of se…
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Medium 6.5
Incorrect comparison vulnerability in GitHub Enterprise Server leading to commit smuggling
An incorrect comparison vulnerability was identified in GitHub Enterprise Server that allowed commit smuggling by displaying an incorrect diff. To do so, an attacker would need write access to the repository and be able to correctly guess the target branch be…
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Medium 5.3
Quadratic complexity may lead to a denial of service in cmark-gfm
cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. A polynomial time complexity issue in cmark-gfm may lead to unbounded resource exhaustion and subsequent denial of service. This CVE covers quadratic complexity …
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Medium 5.3
Quadratic complexity may lead to a denial of service in cmark-gfm
cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. A polynomial time complexity issue in cmark-gfm may lead to unbounded resource exhaustion and subsequent denial of service. This CVE covers quadratic complexity …
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Medium 4.9
Path traversal in GitHub Enterprise Server leading to remote code execution
A path traversal vulnerability was identified in GitHub Enterprise Server that allowed remote code execution when building a GitHub Pages site. To exploit this vulnerability, an attacker would need permission to create and build a GitHub Pages site on the Git…
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Medium 4.1
Code injection in GitHub Enterprise Server leading to arbitrary environment variables in GitHub Actions
A code injection vulnerability was identified in GitHub Enterprise Server that allowed setting arbitrary environment variables from a single environment variable value in GitHub Actions when using a Windows based runner. To exploit this vulnerability, an atta…
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Medium 6.5
Path traversal in GitHub Enterprise Server leading to arbitrary file reading when building a GitHub Pages site
A path traversal vulnerability was identified in GitHub Enterprise Server that allowed arbitrary file reading when building a GitHub Pages site. To exploit this vulnerability, an attacker would need permission to create and build a GitHub Pages site on the Gi…
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Medium 5.3
cmark-gfm out-of-bounds read in validate_protocol
cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. In versions prior 0.29.0.gfm.7, a crafted markdown document can trigger an out-of-bounds read in the `validate_protocol` function. We believe this bug is harmles…
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Medium 6.5
Incorrect Authorization in GitHub Enterprise Server leads to Action Workflow modifications without Workflow Scope
An incorrect authorization vulnerability was identified in GitHub Enterprise Server that allowed a repository-scoped token with read/write access to modify Action Workflow files without a Workflow scope. The Create or Update file contents API should enforce w…
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Medium 6.5
Improper Privilege Management in GitHub Enterprise Server leading to page creation and deletion
An improper privilege management vulnerability was identified in GitHub Enterprise Server that allowed users with improper privileges to create or delete pages via the API. To exploit this vulnerability, an attacker would need to be added to an organization's…
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Medium 5.7
Incomplete cache verification issue in GitHub Enterprise Server leading to exposure of private repo files
An improper cache key vulnerability was identified in GitHub Enterprise Server that allowed an unauthorized actor to access private repository files through a public repository. To exploit this, an actor would need to already be authorized on the GitHub Enter…
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Medium 5.9
Use of Uninitialized Variable in trilogy
Trilogy is a client library for MySQL. When authenticating, a malicious server could return a specially crafted authentication packet, causing the client to read and return up to 12 bytes of data from an uninitialized variable in stack memory. Users of the tr…
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Medium 6.5
Clipboard-based DOM-XSS
@github/paste-markdown is an npm package for pasting markdown objects. A self Cross-Site Scripting vulnerability exists in the @github/paste-markdown before version 0.3.4. If the clipboard data contains the string `<table>`, a **div** is dynamically created, …
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Medium 4.4
CodeQL runner: Command-line options that make GitHub access tokens visible to other processes are now deprecated
Github's CodeQL action is provided to run CodeQL-based code scanning on non-GitHub CI/CD systems and requires a GitHub access token to connect to a GitHub repository. The runner and its documentation previously suggested passing the GitHub token as a command-…
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Medium 6.5
Denial of service in table parsing in cmark-gfm
The table extension in GitHub Flavored Markdown before version 0.29.0.gfm.1 takes O(n * n) time to parse certain inputs. An attacker could craft a markdown table which would take an unreasonably long time to process, causing a denial of service. This issue do…