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CVE-2025-49113: Roundcube Webmail Vulnerable to Authenticated RCE via PHP Object Deserialization

critical KEV Affects roundcube/roundcubemail. Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified ; listed on CISA KEV 2026-02-20.

Roundcube Webmail Vulnerable to Authenticated RCE via PHP Object Deserialization

Package
roundcube/roundcubemail Composer
Affected versions
<1.5.10 or >=1.6.0 and <1.6.11
Fixed in
1.5.10, 1.6.11
Severity
critical  CVSS 9.9
Exploitation
KEV listed by CISA as actively exploited · EPSS 99% (99.9th percentile)
Published
2025-06-02
Source
osv.dev

References

CWE-502
NVD recordroundcube/roundcubemail advisories

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# then
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