Vulnary
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Critical· 9.3official fix available

CVE-2026-44451

A security flaw in the Lumiverse AI chat application allows attackers to bypass safety restrictions meant to isolate user-provided code. By using a specially crafted theme pack, an attacker can execute unauthorized code within a user's active session.

publishedMay 26, 2026
last modifiedJul 24, 2026
sourcesNVD
severity · cvss
9.3
critical · how bad it is
exploitation · epss
<1%
14th percentile · chance of exploitation in 30 days
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →
auto-deletes from the system
counting…on Aug 24, 2026

An official fix is available, so this entry is kept for 30 days and then removed automatically.

01

Who is affected

Users of the Lumiverse AI chat application prior to version 0.9.7.

02

Real-world impact

An attacker can gain control over a user's authenticated session by tricking them into importing a malicious theme pack and enabling a specific component override.

03

Why this severity

This is a critical vulnerability because it can be exploited remotely over the network without requiring special privileges, allowing an attacker to compromise the integrity and confidentiality of the user's session.

04

What to do about it

official fix available
recommended steps
  1. 01Upgrade Lumiverse to version 0.9.7 or later.

NVD-referenced vendor advisory

05

Timeline

  1. May 26, 2026 · May 26, 2026
    Published
    Disclosed and added to the National Vulnerability Database.
  2. Jul 24, 2026 · 11d ago
    Advisory updated
    The NVD record was last revised.
  3. Jul 25, 2026 · 11d ago
    Official fix available
    A vendor patch or mitigation now exists — see the remediation steps above.
06

How it’s attacked

Attack vectorNetwork (remote)
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeChanged
Confidentiality impactHigh
Integrity impactHigh
Availability impactNone
07

References & advisories

(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →