CVE-2026-3582

Incorrect Authorization in GitHub Enterprise Server allows access to issue and commit search results without repo scope

An Incorrect Authorization vulnerability was identified in GitHub Enterprise Server that allowed an authenticated user with a classic personal access token (PAT) lacking the repo scope to retrieve issues and commits from private and internal repositories via the search REST API endpoints. The user must have had existing access to the repository through organization membership or as a collaborator for the vulnerability to be exploitable. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.20 and was fixed in versions 3.16.15, 3.17.12, 3.18.6 and 3.19.3. This vulnerability was reported via the GitHub Bug Bounty program.

CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed

Vendors

Github

Products

Enterprise Server

CVE-2026-1999

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 for pull requests. This issue only affected repositories that allow forking as the attack relies on opening a pull request from an attacker-controlled fork into the target repository. Exploitation was only possible in specific scenarios. It required a clean pull request status and only applied to branches without branch protection rules enabled. This vulnerability affected GitHub Enterprise Server versions prior to 3.19.2, 3.18.5, and 3.17.11, and was fixed in versions 3.19.2, 3.18.5, and 3.17.11. This vulnerability was reported via the GitHub Bug Bounty program.

CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed

Vendors

Github

Products

Enterprise Server

CVE-2025-13744

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 sensitive information. An attacker would require permissions to create or modify the names of milestones, issues, pull requests, or similar entities that are rendered in the vulnerable filter/search components. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.20 and was fixed in versions 3.19.1, and 3.18.2, 3.17.8, 3.16.11, 3.15.15, and 3.14.20. This vulnerability was reported via the GitHub Bug Bounty program.

CVSS 4.0 · 8.4 High EPSS < 1% KEV · Not listed

Vendors

Github

Products

Enterprise Server

CVE-2025-14046

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 critical application state objects used by certain Project views, leading to unintended server-side POST requests or other unauthorized backend interactions. Successful exploitation requires an attacker to have access to the target GitHub Enterprise Server instance and to entice a privileged user to view crafted malicious content that includes conflicting HTML elements. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.18.3, 3.17.9, 3.16.12, 3.15.16, and 3.14.21.

CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed

Vendors

Github

Products

Enterprise Server

CVE-2025-11578

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 repository and environment, an attacker could replace system binaries during hook cleanup and execute a payload that adds their own SSH key to the root user’s authorized keys—thereby granting themselves root SSH access to the server. To exploit this vulnerability, the attacker needed to have enterprise admin privileges. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.19, and was fixed in versions 3.14.20, 3.15.15, 3.16.11, 3.17.8, 3.18.2. This vulnerability was reported via the GitHub Bug Bounty program.

CVSS 4.0 · 7.5 High EPSS < 1% KEV · Not listed

Vendors

Github

Products

Enterprise Server

CVE-2025-11892

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 exploitation requires an attacker to have access to the target GitHub Enterprise Server instance and to entice a user, while operating in sudo mode, to click on a crafted malicious link to perform actions that require elevated privileges. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.18.1, 3.17.7, 3.16.10, 3.15.14, 3.14.19.

CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed

Vendors

Github

Products

Enterprise Server

CVE-2025-23369

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 existing user were not impacted. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.12.14, 3.13.10, 3.14.7, 3.15.2, and 3.16.0. This vulnerability was reported via the GitHub Bug Bounty program.

CVSS 4.0 · 7.6 High EPSS 2.1% KEV · Not listed

Vendors

Github

Products

Enterprise Server

CVE-2024-10001

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 manipulating the DOM, including authentication tokens. To execute the attack, the victim must be logged into GitHub and interact with the attacker controlled malicious webpage containing the hidden iframe. This vulnerability occurs due to an improper sequence of validation, where the origin check occurs after accepting the user-controlled identity property. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.11.16, 3.12.10, 3.13.5, 3.14.2, and 3.15.0. This vulnerability was reported via the GitHub Bug Bounty program.

CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed

Vendors

Github

Products

Enterprise Server

CVE-2025-3124

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 Overview was required to be filtered only using the `archived:` filter and all other access controls were functioning normally. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.17 and was fixed in versions 3.13.14, 3.14.11, 3.15.6, and 3.16.2.

CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed

Vendors

Github

Products

Enterprise Server

CVE-2025-3246

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 privileged user interaction with the malicious elements. This vulnerability affected version 3.16.1 of GitHub Enterprise Server and was fixed in version 3.16.2. This vulnerability was reported via the GitHub Bug Bounty program.

CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed

Vendors

Github

Products

Enterprise Server

CVE-2025-3509

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 vulnerability involves using dynamically allocated ports that become temporarily available, such as during a hot patch upgrade. This means the vulnerability is only exploitable during specific operational conditions, which limits the attack window. Exploitation required either site administrator permissions to enable and configure pre-receive hooks or a user with permissions to modify repositories containing pre-receive hooks where this functionality was already enabled. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.18 and was fixed in versions 3.17.1, 3.16.4, 3.15.8, 3.14.13, 3.13.16. This vulnerability was reported via the GitHub Bug Bounty program.

CVSS 4.0 · 7.1 High EPSS 1.3% KEV · Not listed

Vendors

Github

Products

Enterprise Server

CVE-2025-6600

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 with no scopes via the Search API endpoint. Successful exploitation required an organization administrator to install a malicious GitHub App in the organization’s repositories. This vulnerability impacted only GitHub Enterprise Server version 3.17 and was addressed in version 3.17.2. The vulnerability was reported through the GitHub Bug Bounty program.

CVSS 4.0 · 6.3 Medium EPSS < 1% KEV · Not listed

Vendors

Github

Products

Enterprise Server

CVE-2024-2443

Improper input validation vulnerability was identified in GitHub Enterprise Server that allowed privilege escalation in the Management Console

A command injection vulnerability was identified in GitHub Enterprise Server that allowed an attacker with an editor role in the Management Console to gain admin SSH access to the appliance when configuring GeoJSON settings. Exploitation of this vulnerability required access to the GitHub Enterprise Server instance and access to the Management Console with the editor role. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.13 and was fixed in versions 3.8.17, 3.9.12, 3.10.9, 3.11.7, and 3.12.1. This vulnerability was reported via the GitHub Bug Bounty program.

CVSS 3.1 · 9.1 Critical EPSS 2.1% KEV · Not listed

Vendors

Github

Products

Enterprise Server

CVE-2024-2469

Remote Code Execution in GitHub Enterprise Server Allowed Administrators to gain SSH access to the appliance

An attacker with an Administrator role in GitHub Enterprise Server could gain SSH root access via remote code execution. This vulnerability affected GitHub Enterprise Server version 3.8.0 and above and was fixed in version 3.8.17, 3.9.12, 3.10.9, 3.11.7 and 3.12.1. This vulnerability was reported via the GitHub Bug Bounty program.

CVSS 3.1 · 8 High EPSS 1.6% KEV · Not listed

Vendors

Github

Products

Enterprise Server

CVE-2025-8447

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 vulnerability, an attacker needed to know the name of a private repository along with its branches, tags, or commit SHAs that they could use to trigger compare/diff functionality and retrieve limited code without proper authorization. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.18, and was fixed in versions 3.14.17, 3.15.12, 3.16.8 and 3.17.5. This vulnerability was reported via the GitHub Bug Bounty program.

CVSS 4.0 · 7 High EPSS < 1% KEV · Not listed

Vendors

Github

Products

Enterprise Server

CVE-2024-3470

Repository administrator can bypass organization's ruleset using deploy keys

An Improper Privilege Management vulnerability was identified in GitHub Enterprise Server that allowed an attacker to use a deploy key pertaining to an organization to bypass an organization ruleset. An attacker would require access to a valid deploy key for a repository in the organization as well as repository administrator access. This vulnerability affected versions of GitHub Enterprise Server 3.11 to 3.12 and was fixed in versions 3.11.8 and 3.12.2. This vulnerability was reported via the GitHub Bug Bounty program.

CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed

Vendors

Github

Products

Enterprise Server

CVE-2024-3646

Command injection vulnerability was identified in GitHub Enterprise Server that allowed privilege escalation in the Management Console

A command injection vulnerability was identified in GitHub Enterprise Server that allowed an attacker with an editor role in the Management Console to gain admin SSH access to the instance when configuring the chat integration. Exploitation of this vulnerability required access to the GitHub Enterprise Server instance and access to the Management Console with the editor role. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.12 and was fixed in versions 3.12.2, 3.11.8, 3.10.10, and 3.9.13. This vulnerability was reported via the GitHub Bug Bounty program.

CVSS 3.1 · 8 High EPSS 1.7% KEV · Not listed

Vendors

Github

Products

Enterprise Server

CVE-2024-3684

Improper Privilege Management was identified in GitHub Enterprise Server that allowed privilege escalation in the Management Console

A server side request forgery vulnerability was identified in GitHub Enterprise Server that allowed an attacker with an editor role in the Management Console to gain admin access to the appliance when configuring the Artifacts & Logs and Migrations Storage. Exploitation of this vulnerability required access to the GitHub Enterprise Server instance and access to the Management Console with the editor role. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.12 and was fixed in versions 3.12.2, 3.11.8, 3.10.10, and 3.9.13. This vulnerability was reported via the GitHub Bug Bounty program.

CVSS 3.1 · 8 High EPSS 1.1% KEV · Not listed

Vendors

Github

Products

Enterprise Server

CVE-2024-2440

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 GitHub Enterprise Server prior to 3.13 and was fixed in versions 3.9.13, 3.10.10, 3.11.8 and 3.12.1. This vulnerability was reported via the GitHub Bug Bounty program.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed

Vendors

Github

Products

Enterprise Server

CVE-2024-2748

CSRF vulnerability was identified in GitHub Enterprise Server that allowed performing actions on behalf of a user

A Cross Site Request Forgery vulnerability was identified in GitHub Enterprise Server that allowed an attacker to execute unauthorized actions on behalf of an unsuspecting user. A mitigating factor is that user interaction is required. This vulnerability affected GitHub Enterprise Server 3.12.0 and was fixed in versions 3.12.1. This vulnerability was reported via the GitHub Bug Bounty program. 

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed

Vendors

Github

Products

Enterprise Server