8.8
HIGH CVSS 3.1
CVE-2026-34427
Vvveb < 1.0.8.1 Privilege Escalation via admin/user/save
Description

Vvveb prior to 1.0.8.1 contains a privilege escalation vulnerability in the admin user profile save endpoint that allows authenticated users to modify privileged fields on their own profile. Attackers can inject role_id=1 into profile save requests to escalate to Super Administrator privileges, enabling plugin upload functionality for remote code execution.

INFO

Published Date :

April 20, 2026, 4:16 p.m.

Last Modified :

April 20, 2026, 4:16 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-34427 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

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 3.1 HIGH [email protected]
CVSS 3.1 HIGH MITRE-CVE
CVSS 4.0 HIGH 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 HIGH [email protected]
Solution
Update Vvveb to version 1.0.8.1 or later to fix privilege escalation.
  • Update Vvveb to version 1.0.8.1 or later.
  • Apply vendor patches if available.
  • Review user privileges and audit changes.
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-2026-34427.

URL Resource
https://github.com/givanz/Vvveb/commit/0eca14af50f038915b8bf7ceec2becf6b6720b0a
https://github.com/givanz/Vvveb/releases/tag/1.0.8.1
https://www.vulncheck.com/advisories/vvveb-privilege-escalation-via-admin-user-save
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-34427 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-2026-34427 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-2026-34427 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-34427 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]

    Apr. 20, 2026

    Action Type Old Value New Value
    Added Description Vvveb prior to 1.0.8.1 contains a privilege escalation vulnerability in the admin user profile save endpoint that allows authenticated users to modify privileged fields on their own profile. Attackers can inject role_id=1 into profile save requests to escalate to Super Administrator privileges, enabling plugin upload functionality for remote code execution.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-915
    Added Reference https://github.com/givanz/Vvveb/commit/0eca14af50f038915b8bf7ceec2becf6b6720b0a
    Added Reference https://github.com/givanz/Vvveb/releases/tag/1.0.8.1
    Added Reference https://www.vulncheck.com/advisories/vvveb-privilege-escalation-via-admin-user-save
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.