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Vulnerability record · CVE-2018-6871 · published 9 February 2018

CVE-2018-6871: Libreoffice vulnerability

Libreoffice · Libreoffice

LibreOffice before 5.4.5 and 6.x before 6.0.1 allows remote attackers to read arbitrary files via =WEBSERVICE calls in a document, which use the COM.MICROSOFT.WEBSERVICE function.

9.8 CVSS 3.0 Critical EPSS 23% · top 2.3%
9.8CVSS 3.0 base score, v2 5.0
23%EPSS exploitation probability, 30 days
NoNot in CISA KEV
9Affected product versions listed by NVD
16References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

LibreOffice before 5.4.5 and 6.x before 6.0.1 allows remote attackers to read arbitrary files via =WEBSERVICE calls in a document, which use the COM.MICROSOFT.WEBSERVICE function.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

9 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://access.redhat.com/errata/RHSA-2018:0418 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0517 Third Party Advisory
https://cgit.freedesktop.org/libreoffice/core/commit/?h=libreoffice-5-4-5&id=a916fc0c0e0e8b10cb4158fa0fa173fe205d434a PatchThird Party Advisory
https://github.com/jollheef/libreoffice-remote-arbitrary-file-disclosure ExploitThird Party Advisory
https://usn.ubuntu.com/3579-1/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4111 Third Party Advisory
https://www.exploit-db.com/exploits/44022/ ExploitThird Party AdvisoryVDB Entry
https://www.libreoffice.org/about-us/security/advisories/cve-2018-1055/ Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:0418 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0517 Third Party Advisory
https://cgit.freedesktop.org/libreoffice/core/commit/?h=libreoffice-5-4-5&id=a916fc0c0e0e8b10cb4158fa0fa173fe205d434a PatchThird Party Advisory
https://github.com/jollheef/libreoffice-remote-arbitrary-file-disclosure ExploitThird Party Advisory
https://usn.ubuntu.com/3579-1/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4111 Third Party Advisory
https://www.exploit-db.com/exploits/44022/ ExploitThird Party AdvisoryVDB Entry
https://www.libreoffice.org/about-us/security/advisories/cve-2018-1055/ Vendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2018-6871), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.