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PatchSiren cyber security CVE debrief

CVE-2026-50880 YouTransfer CVE debrief

CVE-2026-50880 is a vulnerability in the sendmail transport integration component of YouTransfer v1.0.6. An issue allows attackers to execute arbitrary code via supplying a crafted request. The CVE was published on 2026-06-15T20:16:30.937Z and has not been modified since its publication.

Vendor
YouTransfer
Product
YouTransfer
CVSS
CRITICAL 9.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-15
Original CVE updated
2026-06-16
Advisory published
2026-06-15
Advisory updated
2026-06-16

Who should care

Users of YouTransfer v1.0.6 should be aware of this vulnerability and take necessary actions to mitigate the risk.

Technical summary

The vulnerability exists in the sendmail transport integration component of YouTransfer v1.0.6. Attackers can exploit this vulnerability by supplying a crafted request, which can lead to arbitrary code execution.

Defensive priority

High

Recommended defensive actions

  • Update to a patched version of YouTransfer if available.
  • Implement input validation and sanitization for requests to the sendmail transport integration component.
  • Monitor for suspicious activity and implement additional security measures as needed.

Evidence notes

The CVE record (resourceLinkAnnotations: cve-org) and NVD detail (resourceLinkAnnotations: nvd) provide official information about the vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-50880 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-50880

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-50880 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-50880

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.