UpHeron
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Servers and applications

CVE-2025-49113

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.

Actively exploited: CISA added it to its Known Exploited Vulnerabilities catalog on 20 Feb 2026.

Severity
High 8.8
Published
2 Jun 2025
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
1.5.10, 1.6.11
Sources
NVD

Affected software

SoftwareAffected versions
RoundcubeServers and applications · cpe:a:roundcube:webmail
  • Every version before 1.5.10
  • From 1.6.0 before 1.6.11

Known exploited

CISA name
RoundCube Webmail Deserialization of Untrusted Data Vulnerability
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.
Due for US agencies
13 Mar 2026
Used in ransomware
Not known

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-49113
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-49113