CVE-2026-56445
Path traversal in qrscp C-STORE allows arbitrary file writes via attacker-supplied DICOM data.
Is CVE-2026-56445 being exploited?
Not confirmed. CVE-2026-56445 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.64% probability of exploitation in the next 30 days.
How severe is CVE-2026-56445?
CVE-2026-56445 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-56445?
Not known from our data. No patch reference has been recorded for CVE-2026-56445, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-56445 affect?
CVE-2026-56445 affects qrscp C-STORE handler. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-56445?
Validate/sanitize paths; restrict write directories
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Arbitrary file writes through path traversal; could overwrite important files and enable abuse.
Monitor only
- affected>= 1.0.0 and <= 3.0.4
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.