Findings

CVE-2025-49113

RoundCube Webmail Deserialization of Untrusted Data Vulnerability

Published Jun 1, 2025 · updated Jun 17, 2026 · Roundcube Webmail

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.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 1, 2025 · Catalog

    Detected

    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.

  2. Feb 20, 2026 · CISA KEV

    Known exploited

    Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

  3. Mar 13, 2026 · CISA KEV

    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.

  4. Jun 17, 2026 · Catalog

    Updated

    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.

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.

CISA due date Mar 13, 2026

Affected

  • cpe debian/debian linux11.0
  • cpe roundcube/webmailversion unspecified
  • vendor Roundcube Webmailversion unspecified

Sources

  • CISA KEVCVE-2025-49113

    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.

    cisa.gov
  • CVE.orgCVE-2025-49113

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2025-49113

    30-day exploitation probability 99.0%

    first.org
  • Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • Metasploit Modulesexploit_multi/http/roundcube_auth_rce_cve_2025_49113

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDCVE-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.

    nvd.nist.gov

References

CVE-2025-49113 · ZeroDay Findings