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GitHub
165 known vulnerabilities.
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165 results · Feed
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Medium 5.3CVE-2026-3306 Public exploit
Improper authorization in GitHub Projects allows modification of issue and pull request metadata without repository write access
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 proje…
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High 8.7
Remote code execution via git push option injection in GitHub Enterprise Server
An improper neutralization of special elements vulnerability was identified in GitHub Enterprise Server that allowed an attacker with push access to a repository to achieve remote code execution on the instance. During a git push operation, user-supplied push…
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High 7.5
GitHub Copilot CLI allows for dangerous shell expansion patterns that enable arbitrary command execution
The shell tool within GitHub Copilot CLI versions prior to and including 0.0.422 can allow arbitrary code execution through crafted bash parameter expansion patterns. An attacker who can influence the commands executed by the agent (e.g., via prompt injection…
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High 8.2
Webiness Inventory 2.3 SQL Injection via WsModelGrid.php
Webiness Inventory 2.3 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the order parameter. Attackers can send POST requests to the WsModelGrid.php endpoint wit…
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High 7.1CVE-2026-1999 Public exploit
Incorrect Authorization vulnerability was identified in GitHub Enterprise Server that allowed unauthorized merging of pull requests
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 enable_auto_merge mutation f…
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Medium 6.0
Missing Authorization Check in GitHub Enterprise Server Allows Unauthorized Uploads to Repository Migration Exports
A Missing Authorization vulnerability was identified in GitHub Enterprise Server that allowed an attacker to upload unauthorized content to another user’s repository migration export due to a missing authorization check in the repository migration upload endp…
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High 7.6
Improper Handling of HTTP Redirects vulnerability was identified in GitHub Enterprise Server that allowed leaking of authorization token and enabled remote code execution
An URL redirection vulnerability was identified in GitHub Enterprise Server that allowed attacker-controlled redirects to leak sensitive authorization tokens. The repository_pages API insecurely followed HTTP redirects when fetching artifact URLs, preserving …
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High 8.4
Improper Neutralization of Input During Web Page Generation vulnerability was identified in GitHub Enterprise Server that allowed rendering of malicious HTML
An Improper Neutralization of Input During Web Page Generation vulnerability was identified in GitHub Enterprise Server that allowed attacker controlled HTML to be rendered by the Filter component (search) across GitHub that could be used to exfiltrate sensit…
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High 8.6
Insufficient HTML Sanitization Allows User-Controlled DOM Elements to Overwrite Server-Initialized Data Islands and Trigger Unintended Server-Side POST Requests
An improper neutralization of input vulnerability was identified in GitHub Enterprise Server that allowed user-supplied HTML to inject DOM elements with IDs that collided with server-initialized data islands. These collisions could overwrite or shadow critica…
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High 7.5
Pre-Receive Hook Path Collision Vulnerability in GitHub Enterprise Server Allowing Privilege Escalation
A privilege escalation vulnerability was identified in GitHub Enterprise Server that allowed an authenticated Enterprise admin to gain root SSH access to the appliance by exploiting a symlink escape in pre-receive hook environments. By crafting a malicious re…
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High 8.6
DOM-based Cross-Site Scripting was identified in GitHub Enterprise Server Issues search allows privilege escalation and unauthorized workflow triggers
An improper neutralization of input vulnerability was identified in GitHub Enterprise Server that allows DOM-based cross-site scripting via Issues search label filter that could lead to privilege escalation and unauthorized workflow triggers. Successful explo…
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High 7.0
Incorrect authorization vulnerability was identified in GitHub Enterprise Server that allowed read-only access
An improper access control vulnerability was identified in GitHub Enterprise Server that allowed users with access to any repository to retrieve limited code content from another repository by creating a diff between the repositories. To exploit this vulnerab…
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Medium 5.3
Incorrect authorization vulnerability was identified in GitHub Enterprise Server that allowed unauthorized read-only access
An incorrect authorization vulnerability allowed unauthorized read access to the contents of internal repositories for contractor accounts when the Contractors API feature was enabled. The Contractors API is a rarely-enabled feature in private preview. This v…
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Medium 6.3
GitHub Enterprise Server Information Disclosure Vulnerability Exposes Private Repository Names via Search API
An exposure of sensitive information vulnerability was identified in GitHub Enterprise Server that could allow an attacker to disclose the names of private repositories within an organization. This issue could be exploited by leveraging a user-to-server token…
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High 8.6
Markdown math block sanitization bypass allows privilege escalation and unauthorized workflow triggers
An improper neutralization of input vulnerability was identified in GitHub Enterprise Server that allowed cross-site scripting in GitHub Markdown that used `$$..$$` math blocks. Exploitation required access to the target GitHub Enterprise Server instance and …
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High 7.1
Pre-Receive Hook Remote Code Execution vulnerability was identified in GitHub Enterprise Server that allowing Privilege Escalation
A Remote Code Execution (RCE) vulnerability was identified in GitHub Enterprise Server that allowed attackers to execute arbitrary code by exploiting the pre-receive hook functionality, potentially leading to privilege escalation and system compromise. The vu…
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Medium 5.3
Missing Authorization vulnerability was identified in GitHub Enterprise Server that allowed unauthorized access to private repository names
A missing authorization vulnerability was identified in GitHub Enterprise Server that allowed a user to see the names of private repositories that they wouldn't otherwise have access to in the Security Overview in GitHub Advanced Security. The Security Overvi…
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High 7.1
Code Injection Vulnerability in GitHub Enterprise Server Allows Arbitrary Code Execution via Message Handling
A Code Injection vulnerability was identified in GitHub Enterprise Server that allowed attackers to inject malicious code into the query selector via the identity property in the message handling function. This enabled the exfiltration of sensitive data by ma…
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High 7.1
CodeQL GitHub Action failed workflow writes GitHub PAT to debug artifacts
In some circumstances, debug artifacts uploaded by the CodeQL Action after a failed code scanning workflow run may contain the environment variables from the workflow run, including any secrets that were exposed as environment variables to the workflow. Users…
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High 7.6CVE-2025-23369 Public exploit
Improper Verification of Cryptographic Signature in GitHub Enterprise Server Allows Signature Spoofing by Improper Validation
An improper verification of cryptographic signature vulnerability was identified in GitHub Enterprise Server that allowed signature spoofing for unauthorized internal users. Instances not utilizing SAML single sign-on or where the attacker is not already an e…
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High 8.7
Privilege Management vulnerability was identified in GitHub Enterprise Server that allowed GitHub Apps to grant themselves write access
A GitHub App installed in organizations could upgrade some permissions from read to write access without approval from an organization administrator. An attacker would require an account with administrator access to install a malicious GitHub App. This vulner…
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Medium 6.0
Authorization Bypass Vulnerability was Identified in GitHub Enterprise Server that Allowed Unauthorized Internal Users to Access Secret Scanning Alert Data
An authorization bypass vulnerability was identified in GitHub Enterprise Server that allowed unauthorized internal users to access sensitive secret scanning alert data intended only for business owners. This issue could be exploited only by organization memb…
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High 8.7
Pre-Receive Hook Path Collision Vulnerability in GitHub Enterprise Server Allowing Privilege Escalation
A path collision and arbitrary code execution vulnerability was identified in GitHub Enterprise Server that allowed container escape to escalate to root via ghe-firejail path. Exploitation of this vulnerability requires Enterprise Administrator access to the …
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Medium 5.7
An information disclosure vulnerability was identified in GitHub Enterprise Server via attacker uploaded asset URL allo…
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Critical 9.5CVE-2024-9487 EPSS 26%
An Improper Verification of Cryptographic Signature vulnerability was identified in GitHub Enterprise Server that allowed SAML SSO authentication to be bypassed when the encrypted assertions feature was enabled
An improper verification of cryptographic signature vulnerability was identified in GitHub Enterprise Server that allowed SAML SSO authentication to be bypassed resulting in unauthorized provisioning of users and access to the instance. Exploitation required …
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Medium 6.2
An improper privilege management vulnerability allowed arbitrary workflows to be committed using an improperly scoped P…
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Medium 5.8
A Cross-Site Scripting (XSS) vulnerability was identified in the repository transfer feature of GitHub Enterprise Serve…
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Critical 9.5
An XML signature wrapping vulnerability was present in GitHub Enterprise Server (GHES) when using SAML authentication w…
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Medium 5.9
Incorrect Authorization allows read access to issues in GitHub Enterprise Server
An Incorrect Authorization vulnerability was identified in GitHub Enterprise Server that allowed a GitHub App with only content: read and pull_request_write: write permissions to read issue content inside a private repository. This was only exploitable via us…
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Medium 5.3
An Incorrect Authorization vulnerability was identified in GitHub Enterprise Server, allowing an attacker to update the…
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Medium 6.3
GitHub Enterprise Server Information Disclosure Vulnerability Exposes Private Repository Names via Deploy Keys
An exposure of sensitive information vulnerability in GitHub Enterprise Server would allow an attacker to enumerate the names of private repositories that utilize deploy keys. This vulnerability did not allow unauthorized access to any repository content besi…
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Medium 6.9
Security misconfiguration was identified in GitHub Enterprise Server that allowed sensitive data exposure
A Security Misconfiguration vulnerability in GitHub Enterprise Server allowed sensitive information disclosure to unauthorized users in GitHub Enterprise Server by exploiting organization ruleset feature. This attack required an organization member to explici…
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Medium 5.9
Improper authorization allows read access to issue content in GitHub Enterprise Server
An Incorrect Authorization vulnerability was identified in GitHub Enterprise Server that allowed read access to issue content via GitHub Projects. This was only exploitable in internal repositories and required the attacker to have access to the corresponding…
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Medium 6.9
Improper authorization allows persistent access in GitHub Enterprise Server
An Incorrect Authorization vulnerability was identified in GitHub Enterprise Server that allowed a suspended GitHub App to retain access to the repository via a scoped user access token. This was only exploitable in public repositories while private repositor…
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Medium 6.8
Cross Site Request Forgery was identified in GitHub Enterprise Server that allowed write in a user owned repository
A Cross-Site Request Forgery vulnerability in GitHub Enterprise Server allowed write operations on a victim-owned repository by exploiting incorrect request types. A mitigating factor is that the attacker would have to be a trusted GitHub Enterprise Server us…
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High 7.7
Denial of Service vulnerability was identified in GitHub Enterprise Server that allowed resource exhaustion
A Denial of Service vulnerability was identified in GitHub Enterprise Server that allowed an attacker to cause unbounded resource exhaustion by sending a large payload to the Git server. This vulnerability affected all versions of GitHub Enterprise Server pri…
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Medium 5.8
Improper Privilege Management allows for access to unauthorized repository content during migration
An improper privilege management vulnerability allowed users to migrate private repositories without having appropriate scopes defined on the related Personal Access Token. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.14 and…
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High 7.6
A Server-Side Request Forgery vulnerability was identified in GitHub Enterprise Server that allowed an attacker with th…
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Critical 10.0
An authentication bypass vulnerability was present in the GitHub Enterprise Server (GHES) when utilizing SAML single si…
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Medium 5.5
Race Condition was identified in GitHub Enterprise Server that allowed maintaining admin permissions
A race condition in GitHub Enterprise Server allowed an existing admin to maintain permissions on a detached repository by making a GraphQL mutation to alter repository permissions while the repository is detached. This vulnerability affected all versions of …