CRITICALExploited in the wildUnknown

RoundCube Webmail Deserialization of Untrusted Data Vulnerability

https://roundcube.net/news/2025/06/01/security-updates-1.6.11-and-1.5.10 ; https://github.com/roundcube/roundcubemail/releases/tag/1.5.10 ; https://github.com/roundcube/roundcubemail/releases/tag/1.6.11 ; https://nvd.nist.gov/vuln/detail/CVE-2025-49113

CVE-2025-49113Published 5 months agoSource: CISA KEV

Affected packages

No package-level mapping for this advisory.

Exploit signal

Known exploited (CISA KEV)
Yes
EPSS score
97.69%
EPSS percentile
99.9%

EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs. This advisory is in the top 100%.

Sources

No external sources available.

Recommended response stack

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RoundCube Webmail Deserialization of Untrusted Data Vulnerability | HackTribune