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Vulnerabilities

Vulnerability · CVE-2025-49113

RoundCube Webmail Deserialization of Untrusted Data Vulnerability

Published Jun 1, 2025 · catalog updated Jun 17, 2026 · Arch Linux Arch Linux

Patch now

CVE-2025-49113 is in the CISA known-exploited catalog, due Mar 13, 2026. Confirm Arch Linux Arch Linux against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
High8.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
98.97%
Remediation
Remediation guidance
Affected products
cpe debian/debian linux · cpe roundcube/webmail · vendor Roundcube Roundcube Webmail · vendor 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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

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

How to fix CVE-2025-49113

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-49113 is in the CISA known-exploited catalog, due Mar 13, 2026. Confirm Arch Linux Arch Linux against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with debian/debian linux 11.0. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

What should an analyst verify?

CWE-502: Deserialization of Untrusted Data. EPSS 98.97%. The CISA KEV listing is the exploitation evidence. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

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.

Sources

  • Arch Linux SecurityVendor advisoryCVE-2025-49113

    CVE-2025-49113 is named on the public Arch Linux Security page.

    security.archlinux.org
  • CISA KEVConfirmed exploitationCVE-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.orgVulnerability recordCVE-2025-49113

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-49113

    30-day exploitation probability 99.0%

    first.org
  • Exploit DatabasePublic exploit reference52324

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • Metasploit ModulesPublic exploit moduleexploit_multi/http/roundcube_auth_rce_cve_2025_49113

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

    rapid7.com
  • NIST NVDVulnerability recordCVE-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
  • VulnCheck KEVConfirmed exploitationCVE-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.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.