CVE-2025-49113

CRITICAL CISA KEV
Published Jun 2, 2025 Modified Feb 23, 2026 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.

CVSS v3.1 Score

9.9
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CISA Known Exploited Vulnerability

This vulnerability is actively exploited in the wild.

Added: Feb 20, 2026 Remediation due: Mar 13, 2026

Weakness Type (CWE)

CWE-502 Deserialization of Untrusted Data

Affected Products

Vendor Product
roundcube webmail
roundcube webmail
debian debian_linux

References

Frequently Asked Questions

What is CVE-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. It has a CVSS v3.1 base score of 9.9 (CRITICAL). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.
How severe is CVE-2025-49113? +
CVE-2025-49113 has a CVSS v3.1 score of 9.9 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.
What products are affected by CVE-2025-49113? +
CVE-2025-49113 affects products from debian, roundcube, specifically: debian_linux, webmail. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-49113? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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