CVEvulnerability

CVE-2025-49113

8.8 HIGH Known exploited Published 2025-06-02 Modified 2026-06-17 Official page ↗

CISA Known Exploited Vulnerability

RoundCube Webmail Deserialization of Untrusted Data Vulnerability — Roundcube Webmail

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.

Added to KEV: 2026-02-20
Remediation due: 2026-03-13
Ransomware use: Unknown
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.
Notes: https://roundcube.net/news/2025/06/01/security-updates-1.6.11-and-1.5.10 ; https://github.com/roundcube/roundcubemail/releases/tag/1.5.10 ; https://github.com/roundcube/roundcubemail/releases/tag/1.6.11 ; https://nvd.nist.gov/vuln/detail/CVE-2025-49113

Status: Analyzed
Published: 2025-06-02
Last modified: 2026-06-17
Assigner: [email protected]
CVSS 3.1 ([email protected]): 9.9 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS 3.1 ([email protected]): 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses: CWE-502

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.

Affected configurations

• roundcube webmail (< 1.5.10) • roundcube webmail (>= 1.6.0 < 1.6.11) • debian debian linux 11.0

Weakness · CWE (1)

CWE-502 Deserialization of Untrusted Data weakness

References