CVE-2025-49113

Advisory lineage Upstream: 0 Downstream: 5
Analyzed
Published: 02 Jun 2025, 00:00
Last modified:21 Feb 2026, 04:56

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.9 CRITICAL
v3.1 (cve.org)
EPSS Score
90.36% CRITICAL
90% probability -1.47%
KEV
Listed
CISA
1 listing
Ransomware
No reports
Public exploits
4 found
Dark Web
Not detected

Timeline

02 Jun 2025, 00:00
Published
Vulnerability first disclosed
20 Feb 2026, 00:00
Added to CISA KEV
RoundCube Webmail Deserialization of Untrusted Data Vulnerability
21 Feb 2026, 04:56
Last Modified
Vulnerability information updated
13 Mar 2026, 00:00
CISA Remediation Due
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Description

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.

CVSS Metrics

  • v3.1•CRITICAL•Score: 9.9CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
  • v3.1•HIGH•Score: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Trends

Current EPSS score: 90.36%• Percentile: 100%

Techniques & Countermeasures

  • CWE-502•Deserialization of Untrusted Data

    The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

Affected Systems

  • debian•debian_linux

    11.0

  • Unknown•Webmail

    < 1.5.10 | ≥ 1.6.0, < 1.6.11

References (13)