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Limited ExploitationCVE-2025-49113Public Exploit

RoundCube WebMail - RCE (CVE-2025-49113)

PublishedJun 9, 2025
First SeenDec 17, 2025
Last Seen
Reported
CVSS9.9
RoundCube
RoundCubeWebMail
web_application

Description

A PHP Object deserialization in RoundCube WebMail allows remote code execution. The vulnerability requires authentication.

psychologyCrowdSec Analysis

CVE-2025-49113 is a remote code execution vulnerability in Roundcube Webmail prior to versions 1.5.10 and 1.6.11, where improper validation of the _from parameter in the upload.php script allows authenticated users to exploit PHP object deserialization. Attackers leveraging this flaw could execute arbitrary code on the server, potentially leading to full system compromise and further attacks within the network.

CrowdSec has been tracking this vulnerability and its exploits since 9th of June 2025.

CrowdSec has not observed any significant exploitation activity targeting CVE-2025-49113 across its network. As a result, no community-driven trend analysis is available for this vulnerability at this time.

Attackers this vulnerability by passing specific values to the _task or the _action parameters and supplying a payload to _from.

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EventDate
CVE Published2025-06-09
Rule Released2025-06-09
CrowdSec First Seen2025-12-17
CISA KEV2026-02-20
CISA Remediation Deadline2026-03-13

Related Weaknesses

CWE-502: Deserialization of Untrusted Data

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

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External References