[Vulnerability Alert] Critical Security Vulnerability in Roundcube Webmail Server (CVE-2025-49113)

publish date : 2025-06-19 update date : 2025-06-19

Source: Ministry of education information & communication security contingency platform


Publication Number	TACERT-ANA-2025061209062121	Publication Time	2025/06/12 09:16
Incident Type	ANA-Vulnerability Alert	Discovery Time	2025/06/12 09:16
Impact Level	Low
[Subject] [Vulnerability Alert] Critical Security Vulnerability in Roundcube Webmail Server (CVE-2025-49113)
[Content] Forwarded from TWCERTCC-200-202506-00000005 Roundcube is an open-source webmail client that enables users to send and receive emails through a browser interface and is widely used in email systems across sectors. Recently, the Roundcube development team received a report from security researchers identifying a critical vulnerability (CVE-2025-49113, CVSS: 9.9), which has since been patched. This vulnerability involves PHP object deserialization, which allows authenticated attackers to remotely execute arbitrary code, posing a serious threat to the system. Information Sharing Level: WHITE (Information content can be publicly disclosed)
[Affected Platform] Roundcube versions 1.1.0 to 1.5.9 Roundcube versions 1.6.0 to 1.6.10
[Recommended Actions] Please update to version 1.6.11 or 1.5.10 (inclusive) and later.
[Reference] https://www.twcert.org.tw/tw/cp-169-10172-687a3-1.html

(This notification is for informational purposes only and does not constitute a cybersecurity incident).
If you have questions or suggestions regarding this notification, please feel free to contact us.
Ministry of education information & communication security contingency platform
Website: https://info.cert.tanet.edu.tw/
Phone: +886-7-5250211
Internet Phone: 98400000
E-Mail: service@cert.tanet.edu.tw

Organizer: Computer Center

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