CVE-2026-20750CWE-284

Gitea Organization Projects Cross-Organization Authorization Bypass via Project ID (IDOR)

Critical · published January 22, 2026

CVSS v3.1
9.1
EPSS
0%
Percentile
36.2
In the wild
Unconfirmed
What it is

🔥 Whoops! A user with write access in one Gitea organization might just stroll into another's project without permission! Think of it like a restaurant where patrons can walk into any kitchen and whip up changes to any dish — you’d expect some serious checks at the door! This vulnerability means unauthorized users can modify projects as if they owned them, and that's a recipe for chaos. An attacker could alter, delete, or corrupt important projects within other organizations, potentially leading to data loss, client trust issues, and even service disruptions. This isn't just a minor oversight; it can lead to absolute devastation for organizations relying on Gitea for their project management!

Put simply

Think of it like a restaurant where patrons can walk into any kitchen and whip up changes to any dish — you’d expect some serious checks at the door! This vulnerability means unauthorized users can modify projects as if they owned them, and that's a recipe for chaos. This vulnerability arises because Gitea fails to properly validate project ownership during organization project operations, allowing users with write access in one organization to manipulate projects they shouldn't touch in another.

What to do

An attacker could alter, delete, or corrupt important projects within other organizations, potentially leading to data loss, client trust issues, and even service disruptions. This isn't just a minor oversight; it can lead to absolute devastation for organizations relying on Gitea for their project management! Immediately update Gitea to version 1.19.4 or later, where this issue has been fixed. Review your organization's project permissions to ensure that access controls are strictly enforced and regularly audited. You've got this! Implement these steps, and you'll be a security hero in no time! 🦸‍♂️

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00430 · 36.2th percentile
Weakness
CWE-284 · Improper Access Control
Published
2026-01-22T22:01Z
EPSS history
Timeline
  • 22 JAN 22:01Z
    Gitea Organization Projects Cross-Organization Authorization Bypass via Project ID (IDOR)
    cvelistv5