CVE-2026-27771 remediation guide

Gitea Gitea Open Source Git Server

Gitea versions up to and including 1.26.1 have insufficient permission checks for Composer package source links, which can expose private or internal package source information.

Open CVE record

Research in progress

A verified fixed-version field is not available. Use the linked NVD and supporting references, then confirm the vendor-supported path before changing production systems.

ProductGitea Gitea Open Source Git Server

Affected versionsSee the vendor advisory and NVD configuration data

Fixed versionsNo verified fixed-version field is available yet

Priority basisPriority · CVSS 8.2 · EPSS 43.1%

Identify the affected asset

Confirm whether Gitea Gitea Open Source Git Server is installed, record the deployed version and installation path, and identify exposed interfaces.

Record the product name, package or appliance identifier, and installed version.
Identify internet-facing, administrative, API, and internal access paths.
Preserve the pre-change configuration and relevant service logs.

Validate the affected-version match

Compare the deployed version with the affected range: See the vendor advisory and NVD configuration data. Treat incomplete inventory results as unresolved.

Prioritize with independent signals

FIRST EPSS indicates an elevated probability of exploitation. Combine this signal with asset criticality, exposure, compensating controls, and business impact.

Apply supported remediation

Follow the vendor advisory or supported update path. Current fixed-version status: No verified fixed-version field is available yet. Preserve configuration and rollback material before change.

Verify the result

Confirm the resulting version, service health, authentication and access paths, monitoring coverage, and relevant security logs.

Confirm the expected version and package state.
Run a functional health check for critical service paths.
Review authentication, error, application, and security monitoring logs.
Reassess exposure if the supported fix cannot be applied.

Operational boundary

This page does not replace the vendor advisory, support contract, change-management process, or recovery plan. Do not infer that an asset is unaffected from an incomplete inventory query or a missing fixed-version field.