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CVE-2026-20750
Gitea Organization Projects Cross-Organization Authorization Bypass via Project ID (IDOR)
Description

Gitea does not properly validate project ownership in organization project operations. A user with project write access in one organization may be able to modify projects belonging to a different organization.

INFO

Published Date :

Jan. 22, 2026, 10:16 p.m.

Last Modified :

Jan. 22, 2026, 10:16 p.m.

Remotely Exploit :

No

Source :

88ee5874-cf24-4952-aea0-31affedb7ff2
Affected Products

The following products are affected by CVE-2026-20750 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

: Total Affected Vendor : 0 | Products : 0
Solution
Validate project ownership for organization operations to prevent unauthorized modifications.
  • Ensure proper project ownership validation.
  • Restrict project modification access.
  • Implement stricter access controls.
  • Update to a patched version.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-20750.

URL Resource
https://blog.gitea.com/release-of-1.25.4/
https://github.com/go-gitea/gitea/pull/36318
https://github.com/go-gitea/gitea/pull/36373
https://github.com/go-gitea/gitea/releases/tag/v1.25.4
https://github.com/go-gitea/gitea/security/advisories/GHSA-h4fh-pc4w-8w27
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-20750 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-20750 weaknesses.

CAPEC-19: Embedding Scripts within Scripts Embedding Scripts within Scripts CAPEC-441: Malicious Logic Insertion Malicious Logic Insertion CAPEC-478: Modification of Windows Service Configuration Modification of Windows Service Configuration CAPEC-479: Malicious Root Certificate Malicious Root Certificate CAPEC-502: Intent Spoof Intent Spoof CAPEC-503: WebView Exposure WebView Exposure CAPEC-536: Data Injected During Configuration Data Injected During Configuration CAPEC-546: Incomplete Data Deletion in a Multi-Tenant Environment Incomplete Data Deletion in a Multi-Tenant Environment CAPEC-550: Install New Service Install New Service CAPEC-551: Modify Existing Service Modify Existing Service CAPEC-552: Install Rootkit Install Rootkit CAPEC-556: Replace File Extension Handlers Replace File Extension Handlers CAPEC-558: Replace Trusted Executable Replace Trusted Executable CAPEC-562: Modify Shared File Modify Shared File CAPEC-563: Add Malicious File to Shared Webroot Add Malicious File to Shared Webroot CAPEC-564: Run Software at Logon Run Software at Logon CAPEC-578: Disable Security Software Disable Security Software

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-20750 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2026-20750 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by 88ee5874-cf24-4952-aea0-31affedb7ff2

    Jan. 22, 2026

    Action Type Old Value New Value
    Added Description Gitea does not properly validate project ownership in organization project operations. A user with project write access in one organization may be able to modify projects belonging to a different organization.
    Added CWE CWE-284
    Added Reference https://blog.gitea.com/release-of-1.25.4/
    Added Reference https://github.com/go-gitea/gitea/pull/36318
    Added Reference https://github.com/go-gitea/gitea/pull/36373
    Added Reference https://github.com/go-gitea/gitea/releases/tag/v1.25.4
    Added Reference https://github.com/go-gitea/gitea/security/advisories/GHSA-h4fh-pc4w-8w27
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
No CVSS metrics available for this vulnerability.