# CVE-2026-90627: Apache OpenOffice flat file database driver local file read

Source: https://junglewise.ai/threats/cve-2026-90627-the-flat-file-database-driver-in-apache-openoffice-versions  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-04. Updated: 2026-11-04  
License: CC BY 4.0 with a link back

CVE-2026-90627 · Severity: info · Published 2026-11-04

Apache OpenOffice's flat file database driver contains a vulnerability that allows a malicious document to read any file on the user's computer without notifying or asking permission. An attacker could craft a specially designed spreadsheet or database document that, when opened, silently exfiltrates sensitive local files such as credentials, private keys, or confidential documents.

Technologies: [Apache OpenOffice](https://junglewise.ai/threats/technologies/openoffice). Vendors: [Apache](https://junglewise.ai/threats/vendors/apache).

## Quick answers

**Is CVE-2026-90627 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-90627 being exploited in the wild.

**How severe is CVE-2026-90627?** Informational severity, published 4 November 2026.

**Which products and versions are affected?** Apache OpenOffice through 4.1.16.

**Is there a fix for CVE-2026-90627?** Yes: fixed in 4.1.17. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-90627 attacked?** It is attacked with local access, in a software library.

**Am I affected by CVE-2026-90627?** Check whether you run Apache OpenOffice at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in 4.1.17

## Technical details

The flat file database driver in Apache OpenOffice versions through 4.1.16 fails to properly restrict file access when processing crafted documents, allowing unauthenticated local file read. An attacker must convince a user to open a malicious document, after which the driver automatically reads arbitrary files without user interaction or consent. The vulnerability affects the database backend component responsible for flat file database operations.

## Affected products

- Apache OpenOffice through 4.1.16

## Timeline

- 2026-11-04: disclosed

## References

- [https://lists.apache.org/thread.html/s7y9fspdysqojnr1z7ppltxtc48b4ljf](https://lists.apache.org/thread.html/s7y9fspdysqojnr1z7ppltxtc48b4ljf)

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- [Apache OpenOffice out-of-bounds memory write in PDF import](https://junglewise.ai/threats/cve-2026-90634-an-uncontrolled-memory-access-in-the-pdf-import-code-of-apache)
- [Apache OpenOffice file disclosure via GStreamer multimedia handling](https://junglewise.ai/threats/cve-2026-90632-apache-openoffice-documents-can-include-multimedia-content-audio)
- [Apache OpenOffice external link loading without authorization](https://junglewise.ai/threats/cve-2026-90631-apache-openoffice-documents-can-contain-links-a-missing)
- [Apache OpenOffice memory access violation in WMF import](https://junglewise.ai/threats/cve-2026-90629-an-uncontrolled-memory-access-in-the-wmf-import-code-of-apache)