What is CVE-2026-34978?

CVE-2026-34978 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. OpenPrinting CUPS: Path traversal in RSS notify-recipient-uri enables file write outside CacheDir/rss (and clobbering of job.cache)

Which CVE IDs does CVE-2026-34978 cover?

CVE-2026-34978 covers the following CVE IDs: CVE-2026-34978. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-34978?

CVE-2026-34978 has a CVSS v3 base score of 6.5, published by Microsoft Security Response Center (MSRC).

CVE-2026-34978MediumCVSS 6.5

OpenPrinting CUPS: Path traversal in RSS notify-recipient-uri enables file write outside CacheDir/rss (and clobbering of job.cache)

Vendor

Microsoft Security Response Center (MSRC)

Published

June 2, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-34978 →