Threat intelligence report · CISA KEV

CVE-2025-49113: RoundCube Webmail Deserialization of Untrusted Data Vulnerability

RoundCube Webmail contains a deserialization of untrusted data vulnerability that allows remote code execution by authenticated users because the _from parameter in a URL is not validated in program/actions/settings/upload.php. Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

· high severity · unattributed attribution

Evidence and provenance

Original source
CISA KEV report ↗
Published
2026-02-20T00:00:00Z
Confidence basis
No actor match
Record ID
16e3b03edd4987a084e2

Vulnerabilities

CVE-2025-49113

Use and citation

Verify the original report before making operational decisions. Cite this permanent page together with the original source, publication date, confidence level, and review status.