CVE-2025-49113 - RoundCube Webmail Deserialization of Untrusted Data Vulnerability
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.
- Severity
- critical
- Product
- Roundcube Webmail
- Published
- 2026-02-20
- EPSS
- 0.989
- CISA KEV
- Known exploited
- Ransomware
- Known campaign use
References and validation
- https://github.com/search?q=CVE-2025-49113&type=repositories
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-49113.yaml
- https://nvd.nist.gov/vuln/detail/CVE-2025-49113
Entries are refreshed from CISA KEV and FIRST EPSS. Validate applicability before testing.