CVE-2026-34427HIGH 8.8EPSS p42.3%

CVE-2026-34427CVE-2026-34427

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.

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS0.56% probability of exploitation · percentile 42.3% · 2026-06-18T12:00:27Z
Published2026-04-20
Last modified2026-04-20

Underlying weaknesses· 1

CWE-915

References

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

1

TypeTargetConfidenceTier
WeaknessImproperly Controlled Modification of Dynamically-Determined Object Attributescwe-9150%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.