URLs could be constructed which expanded environment variable or INI file values, so potentially sensitive information could be exfiltrated to a remote server on opening a document containing such links. The check added for CVE-2024-12426 did not cover every place a document can supply a URL. XForms instance data and the Calc csv and sql data providers still reached the expansion. In fixed versions these places refuse URLs with internal schemes when the URL comes from the document.

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Workaround

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History

Mon, 05 Oct 2026 11:30:00 +0000

Type Values Removed Values Added
Description URLs could be constructed which expanded environment variable or INI file values, so potentially sensitive information could be exfiltrated to a remote server on opening a document containing such links. The check added for CVE-2024-12426 did not cover every place a document can supply a URL. XForms instance data and the Calc csv and sql data providers still reached the expansion. In fixed versions these places refuse URLs with internal schemes when the URL comes from the document.
Title Environment/ini-file leaks
Weaknesses CWE-200
References
Metrics cvssV4_0

{'score': 6.7, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: Document Fdn.

Published:

Updated: 2026-10-05T12:40:16.322Z

Reserved: 2026-07-16T08:17:05.511Z

Link: CVE-2026-63270

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-05T12:17:11.113

Modified: 2026-10-05T12:17:11.113

Link: CVE-2026-63270

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses