CVE-2025-49113 CRITICAL

CVE-2025-49113

Vendor Roundcube
Product Webmail
Weakness CWE-502 · Unsafe deserialization
KEV Status Known Exploited
Published June 2, 2025
Last update February 21, 2026
View on NVD All CVEs

CVSS base score

9.9/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

Roundcube Webmail before 1.5.10 and 1.6.x before 1.6.11 allows remote code execution by authenticated users because the _from parameter in a URL is not validated in program/actions/settings/upload.php, leading to PHP Object Deserialization.

CISA mandated remediation

02CISA 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.

Key dates

03Disclosure timeline

June 2, 2025 CVE published
February 21, 2026 Record updated

External resources

04References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2025-49113 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/502.html CISA KEV Reference https://roundcube.net/news/2025/06/01/security-updates-1.6.11-… CISA KEV Reference https://github.com/roundcube/roundcubemail/releases/tag/1.5.10 CISA KEV Reference https://github.com/roundcube/roundcubemail/releases/tag/1.6.11 CISA KEV Reference https://nvd.nist.gov/vuln/detail/CVE-2025-49113