CVE-2026-90631: openoffice — Fix

Description

Apache OpenOffice documents can contain links. A missing Authorization vulnerability in Apache OpenOffice allowed an attacker to craft a document that would cause external links to be loaded without prompt, possibly transferring the contents of environment variables in the process. This issue affects Apache OpenOffice: through 4.1.16. Users are recommended to upgrade to version 4.1.17, which fixes the issue.

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CVSS v3.1 Score

3.3

LOW

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

EPSS — Exploit Prediction

0.0021

Probability of exploitation

0.11%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-939 CWE-939

Affected Products

Vendor	Product	Versions
apache	openoffice	< 4.1.17

References

Advisories & Patches

https://lists.apache.org/thread.html/j19rrk8jwrlg41tj6rfdcccj8cyyxhz9

Other References

http://www.openwall.com/lists/oss-security/2026/11/03/30

Frequently Asked Questions

What is CVE-2026-90631? +

Apache OpenOffice documents can contain links. A missing Authorization vulnerability in Apache OpenOffice allowed an attacker to craft a document that would cause external links to be loaded without prompt, possibly transferring the contents of environment variables in the process. This issue affects Apache OpenOffice: through 4.1.16. Users are recommended to upgrade to version 4.1.17, which fixes the issue. It has a CVSS v3.1 base score of 3.3 (LOW).

How severe is CVE-2026-90631? +

CVE-2026-90631 has a CVSS v3.1 score of 3.3 out of 10, rated LOW. This is a low-severity vulnerability with limited impact. The EPSS score is 0.0021, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-90631? +

CVE-2026-90631 affects products from apache, specifically: openoffice. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-90631? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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