CVE-2025-49113: Roundcube Webmail Vulnerable to Authenticated RCE via PHP Object Deserialization
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.
Published Jun 2, 2025 · Updated Feb 20, 2026
Affected packages
roundcube/roundcubemail
- Ecosystem
- Composer (PHP)
- Affected
- < 1.5.10
- Fixed in
- 1.5.10
- Check
composer show roundcube/roundcubemail
roundcube/roundcubemail
- Ecosystem
- Composer (PHP)
- Affected
- >= 1.6.0, < 1.6.11
- Fixed in
- 1.6.11
- Check
composer show roundcube/roundcubemail
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Advisory details
From the GitHub Advisory Database (CC BY 4.0).
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.
Credited to Malayke.
References
- https://nvd.nist.gov/vuln/detail/CVE-2025-49113
- https://github.com/roundcube/roundcubemail/pull/9865
- https://github.com/roundcube/roundcubemail/commit/0376f69e958a8fef7f6f09e352c541b4e7729c4d
- https://github.com/roundcube/roundcubemail/commit/7408f31379666124a39f9cb1018f62bc5e2dc695
- https://github.com/roundcube/roundcubemail/commit/c50a07d88ca38f018a0f4a0b008e9a1deb32637e
- https://github.com/roundcube/roundcubemail/releases/tag/1.5.10
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.11
- https://roundcube.net/news/2025/06/01/security-updates-1.6.11-and-1.5.10
- https://fearsoff.org/research/roundcube
- https://lists.debian.org/debian-lts-announce/2025/06/msg00008.html
- https://www.vicarius.io/vsociety/posts/cve-2025-49113-roundcube-mitigation-script
- https://www.vicarius.io/vsociety/posts/cve-2025-49113-roundcube-vulnerability-detection
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-49113
- https://github.com/advisories/GHSA-8j8w-wwqc-x596
How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology