CVE-2026-63278 - Package URLs can be used to exfiltrate arbitrary INI file values and environment variables
CVE ID :CVE-2026-63278
Published : Sept. 22, 2026, 12:17 p.m. | 53 minutes ago
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 recognise every way of naming the package content provider, so a URL that named it differently still reached the expansion. In fixed versions the package content provider is matched when the URL is checked.
Severity: 6.7 | MEDIUM
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Published : Sept. 22, 2026, 12:17 p.m. | 53 minutes ago
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 recognise every way of naming the package content provider, so a URL that named it differently still reached the expansion. In fixed versions the package content provider is matched when the URL is checked.
Severity: 6.7 | MEDIUM
Visit the link for more details, such as CVSS details, affected products, timeline, and more...