CVE-2025-49113

high-risk
Published 2025-06-02

Roundcube Webmail before 1.5.10 and 1.6.x before 1.6.11 allows remote code execution by authenticated users because the _from parameter in a URL is not validated in program/actions/settings/upload.php, leading to PHP Object Deserialization.

Do I need to act?

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91.6% chance of exploitation in next 30 days
EPSS score — higher than 8% of all CVEs
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CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
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1 public exploit available
52324
+
Fix available
Upgrade to: 87380372b6d94f9c90bff2402b76aa71351193e1, 2ae7cec1ca7086a93500f05b3810f2cc9a16990f, 0376f69e958a8fef7f6f09e352c541b4e7729c4d, 7408f31379666124a39f9cb1018f62bc5e2dc695, c50a07d88ca38f018a0f4a0b008e9a1deb32637e
9
CVSS 9.9/10 Critical
NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

Debian Roundcube

References (13)

Third Party Advisory https://fearsoff.org/research/roundcube
Patch https://github.com/roundcube/roundcubemail/commit/0376f69e958a8fef7f6f09e352c541...
Patch https://github.com/roundcube/roundcubemail/commit/7408f31379666124a39f9cb1018f62...
Patch https://github.com/roundcube/roundcubemail/commit/c50a07d88ca38f018a0f4a0b008e9a...
Issue Tracking https://github.com/roundcube/roundcubemail/pull/9865
Release Notes https://github.com/roundcube/roundcubemail/releases/tag/1.5.10
Release Notes https://github.com/roundcube/roundcubemail/releases/tag/1.6.11
Vendor Advisory https://roundcube.net/news/2025/06/01/security-updates-1.6.11-and-1.5.10
Exploit https://www.vicarius.io/vsociety/posts/cve-2025-49113-roundcube-mitigation-scrip...
Exploit https://www.vicarius.io/vsociety/posts/cve-2025-49113-roundcube-vulnerability-de...
Mailing List http://www.openwall.com/lists/oss-security/2025/06/02/3
Mailing List https://lists.debian.org/debian-lts-announce/2025/06/msg00008.html
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-...
67
/ 100
high-risk
Severity 33/34 · Critical
Exploitability 27/34 · High
Exposure 7/34 · Low