1. Cleus
  2. Zero-days
  3. CVE-2025-68461
Exploited in the wildServers & business softwareWork IT

CVE-2025-68461 Roundcube Webmail: web page flaw

In plain words: A web app can be made to act on someone's behalf or reach places it should not. Stolen sessions, actions taken as the victim, or access to internal systems.

Confirmed exploited by CISA on · US federal patch deadline Mar 13, 2026

What to do

  1. Install Roundcube's security update for Webmail. If no update exists, follow the vendor's workaround or stop using the product until one ships.
  2. Keep a list of every internet-facing server you run so nothing is forgotten.
  3. Patch anything in this catalog first, ahead of normal patch cycles.
  4. Put admin and file-transfer apps behind a VPN or single sign-on instead of the open internet.

Read Roundcube's advisory ↗

Who is affected

Work IT. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.

What's at risk: Mass data theft and ransomware: a single flaw in a file-transfer or email server has exposed thousands of organisations at once.

The details

Official name
RoundCube Webmail Cross-site Scripting Vulnerability
Product
Roundcube Webmail
CISA description
RoundCube Webmail contains a cross-site scripting vulnerability via the animate tag in an SVG document.
Type of flaw
Web page flaw (CWE-79)
Confirmed exploited
Feb 20, 2026
US federal patch deadline
Mar 13, 2026

Ask Cleus about it

Ask about a vulnerability, an update, a weird message, or the news. Plain-word answers, free, no account.

Answering about CVE-2025-68461 ·

Questions about CVE-2025-68461

Is CVE-2025-68461 being exploited?

Yes. CISA added CVE-2025-68461 to its Known Exploited Vulnerabilities catalog on Feb 20, 2026, which means there is reliable evidence of real-world attacks.

How do I fix CVE-2025-68461?

Install Roundcube's security update for Webmail. If no update exists, follow the vendor's workaround or stop using the product until one ships. Keep a list of every internet-facing server you run so nothing is forgotten.

Am I affected by CVE-2025-68461?

Only if you use Roundcube Webmail. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.

Other exploited Roundcube vulnerabilities

Newest in the catalog

Search every known exploited vulnerability →