CVE-2026-109119
Missing Authorization in rdiffweb
Description
Improper Privilege Management in the user management API endpoint (/api/users/{username_or_id}) in Rdiffweb allows authenticated users to elevate their privileges to administrator by modifying the role parameter in a POST request.
INFO
Published Date :
Oct. 16, 2026, 11:17 a.m.
Last Modified :
Oct. 16, 2026, 11:17 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | ceab7361-8a18-47b1-92ba-4d7d25f6715a | ||||
| CVSS 3.1 | HIGH | MITRE-CVE | ||||
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Validate user roles before allowing role modifications.
- Enforce administrator privileges for role changes.
- Implement least privilege access controls.
- Update the user management API.
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-2026-109119.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-109119 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-2026-109119
weaknesses.
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-2026-109119 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-109119 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 [email protected]
Oct. 16, 2026
Action Type Old Value New Value Added Description Improper Privilege Management in the user management API endpoint (/api/users/{username_or_id}) in Rdiffweb allows authenticated users to elevate their privileges to administrator by modifying the role parameter in a POST request. Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-862 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/109xxx/CVE-2026-109119.json">CVE-2026-109119</a> Added Reference https://gitlab.com/ikus-soft/rdiffweb Added Reference https://gitlab.com/ikus-soft/rdiffweb/-/commit/4ce35fc2d23ac1cc789186f32bf76603b2eddeb3 Added Reference https://gitlab.com/ikus-soft/rdiffweb/-/commit/b529adf2c13a210d10aaf56325de4d3fb2428abe