CVE-2026-28737

Gitea · Gitea Open Source Git Server

A vulnerability in Gitea versions starting from 1 may allow for unauthorized access or security compromise of the Git server environment.

Executive summary

A high-severity security flaw in the Gitea Git server platform could allow attackers to bypass security controls and potentially gain unauthorized access to source code repositories.

Vulnerability

This vulnerability impacts the Gitea platform, potentially exposing repository data or administrative functions. Without specific details on the authentication requirement, it should be assumed that the vulnerability could be leveraged by an attacker to manipulate version control workflows.

Business impact

Successful exploitation could lead to the theft of intellectual property, unauthorized modification of codebase, or the injection of malicious code into development pipelines. With a CVSS score of 8.7, this vulnerability represents a major threat to the software supply chain, potentially leading to widespread organizational data exposure.

Remediation

Immediate Action: Update your Gitea instance to the latest stable release as specified in the official Gitea security advisory.

Proactive Monitoring: Review audit logs for suspicious repository access, unauthorized user creation, or unusual administrative activity.

Compensating Controls: Deploy a Web Application Firewall (WAF) with rules tailored to detect common Git server exploitation attempts or unauthorized API requests.

Exploitation status

Public Exploit Available: false

Analyst recommendation

Gitea instances are critical components of the software development lifecycle and must be secured immediately. Administrators should treat this high-severity vulnerability with urgency, ensuring that all production servers are patched to prevent potential repository compromise and downstream supply chain attacks.