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VulnerabilityPublished Updated

CVE-2026-44450: prolix-oc Lumiverse · Argument Injection

Affects prolix-oc LumiverseSource CVE Database V5

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Not known to be exploited · CVSS 9.9 Critical : upgrade to 0.9.7 as a priority.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 3.1 base score
9.9Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 31% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 0.9.7
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 26 May 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Upgrade Lumiverse and prolix-oc/Lumiverse to 0.9.7.

Affected software

ProductAffectedFixed in
prolix-ocLumiverseAffected
  • <0.9.7
Fixed in
  • 0.9.7
GitHubprolix-oc/Lumiversepkg:github/prolix-oc/LumiverseOther threatsAffected
  • <0.9.7
Fixed in
  • 0.9.7

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

This vulnerability is fixed in Lumiverse version 0.9.7. Users should upgrade to version 0.9.7 or later to remediate this issue. No other official remediation or temporary fixes are documented. Until upgrading, restrict network access to the server port to trusted hosts only to reduce exposure.

Description

Lumiverse is a full-featured AI chat application. Prior to 0.9.7, the MCP server creation endpoint validates the command field against an allowlist of binary names but forwards the args array to the child process without any validation. Every binary on the allowlist accepts an inline-code execution flag (-e for node/bun, -c for python3/deno), giving any logged-in user arbitrary OS-level code execution on the Lumiverse server. The route requires only requireAuth (not requireOwner). The server binds on all interfaces (::) and the host-header rebinding check is bypassed trivially by any HTTP client that sends Host: localhost:<port> directly, making this exploitable from any machine with network access to the server port. This vulnerability is fixed in 0.9.7.

References

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