Github Security Vulnerabilities

CVE-2021-34364

The Refined GitHub browser extension before 21.6.8 might allow XSS via a link in a document. NOTE: github.com sends Content-Security-Policy headers to, in general, address XSS and other...

CVE-2021-22866

A UI misrepresentation vulnerability was identified in GitHub Enterprise Server that allowed more permissions to be granted during a GitHub App's user-authorization web flow than was displayed to the user during approval. To exploit this vulnerability, an attacker would need to create a GitHub App....

CVE-2021-28470

Visual Studio Code GitHub Pull Requests and Issues Extension Remote Code Execution...

CVE-2021-22865

An improper access control vulnerability was identified in GitHub Enterprise Server that allowed access tokens generated from a GitHub App's web authentication flow to read private repository metadata via the REST API without having been granted the appropriate permissions. To exploit this...

CVE-2021-22864

A remote code execution vulnerability was identified in GitHub Enterprise Server that could be exploited when building a GitHub Pages site. User-controlled configuration options used by GitHub Pages were not sufficiently restricted and made it possible to override environment variables leading to.....

CVE-2021-22862

An improper access control vulnerability was identified in GitHub Enterprise Server that allowed an authenticated user with the ability to fork a repository to disclose Actions secrets for the parent repository of the fork. This vulnerability existed due to a flaw that allowed the base reference...

CVE-2021-22863

An improper access control vulnerability was identified in the GitHub Enterprise Server GraphQL API that allowed authenticated users of the instance to modify the maintainer collaboration permission of a pull request without proper authorization. By exploiting this vulnerability, an attacker would....

CVE-2021-22861

An improper access control vulnerability was identified in GitHub Enterprise Server that allowed authenticated users of the instance to gain write access to unauthorized repositories via specifically crafted pull requests and REST API requests. An attacker would need to be able to fork the...

CVE-2020-10519

A remote code execution vulnerability was identified in GitHub Enterprise Server that could be exploited when building a GitHub Pages site. User-controlled configuration of the underlying parsers used by GitHub Pages were not sufficiently restricted and made it possible to execute commands on the.....

CVE-2020-27813

An integer overflow vulnerability exists with the length of websocket frames received via a websocket connection. An attacker would use this flaw to cause a denial of service attack on an HTTP Server allowing websocket...

CVE-2020-10517

An improper access control vulnerability was identified in GitHub Enterprise Server that allowed authenticated users of the instance to determine the names of unauthorized private repositories given their numerical IDs. This vulnerability did not allow unauthorized access to any repository content....

CVE-2020-10518

A remote code execution vulnerability was identified in GitHub Enterprise Server that could be exploited when building a GitHub Pages site. User-controlled configuration of the underlying parsers used by GitHub Pages were not sufficiently restricted and made it possible to execute commands on the.....

CVE-2020-2212

Jenkins GitHub Coverage Reporter Plugin 1.8 and earlier stores secrets unencrypted in its global configuration file on the Jenkins master where they can be viewed by users with access to the master file system or read permissions on the system...

CVE-2020-5238

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 does not affect the upstream cmark...

CVE-2020-10516

An improper access control vulnerability was identified in the GitHub Enterprise Server API that allowed an organization member to escalate permissions and gain access to unauthorized repositories within an organization. This vulnerability affected all versions of GitHub Enterprise Server prior to....

CVE-2020-2117

A missing permission check in Jenkins Pipeline GitHub Notify Step Plugin 1.0.4 and earlier allows attackers with Overall/Read permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in...

CVE-2020-2116

A cross-site request forgery vulnerability in Jenkins Pipeline GitHub Notify Step Plugin 1.0.4 and earlier allows attackers to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in...

CVE-2020-2118

A missing permission check in Jenkins Pipeline GitHub Notify Step Plugin 1.0.4 and earlier in form-related methods allowed users with Overall/Read access to enumerate credentials ID of credentials stored in...

CVE-2019-10315

Jenkins GitHub Authentication Plugin 0.31 and earlier did not use the state parameter of OAuth to prevent...

CVE-2017-18365

The Management Console in GitHub Enterprise 2.8.x before 2.8.7 has a deserialization issue that allows unauthenticated remote attackers to execute arbitrary code. This occurs because the enterprise session secret is always the same, and can be found in the product's source code. By sending a...

CVE-2017-1000087

GitHub Branch Source provides a list of applicable credential IDs to allow users configuring a job to select the one they'd like to use. This functionality did not check permissions, allowing any user with Overall/Read permission to get a list of valid credentials IDs. Those could be used as part.....

CVE-2017-1000091

GitHub Branch Source Plugin connects to a user-specified GitHub API URL (e.g. GitHub Enterprise) as part of form validation and completion (e.g. to verify Scan Credentials are correct). This functionality improperly checked permissions, allowing any user with Overall/Read access to Jenkins to...

CVE-2012-2055

GitHub Enterprise before 20120304 does not properly restrict the use of a hash to provide values for a model's attributes, which allows remote attackers to set the public_key[user_id] value via a modified URL for the public-key update form, related to a "mass assignment"...