critical9.9Known exploitedPublic exploit code
CVE-2025-49113
Roundcube Webmail Vulnerable to Authenticated RCE via PHP Object Deserialization
Exploited in the wild
This vulnerability is on the CISA Known Exploited Vulnerabilities list, added 2026-02-20. Federal due date: 2026-03-13.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Public exploit code
Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.
- Roundcube 1.6.10 - Remote Code Execution (RCE)2025-06-13 · webapps · multiple
Impact
RoundCube Webmail contains a deserialization of untrusted data vulnerability that allows remote code execution by authenticated users because the _from parameter in a URL is not validated in program/actions/settings/upload.php.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| composer | roundcube/roundcubemail | < 1.5.10 | 1.5.10 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Roundcube | Webmail | before 1.5.10 from 1.6.0 before 1.6.11 |
| Debian | Debian Linux | Version 11.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- CISA KEV catalog
- https://fearsoff.org/research/roundcube
- 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/pull/9865
- 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://www.vicarius.io/vsociety/posts/cve-2025-49113-roundcube-mitigation-script
- https://www.vicarius.io/vsociety/posts/cve-2025-49113-roundcube-vulnerability-detection
- http://www.openwall.com/lists/oss-security/2025/06/02/3
- https://lists.debian.org/debian-lts-announce/2025/06/msg00008.html
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-49113
- https://github.com/advisories/GHSA-8j8w-wwqc-x596
- https://nvd.nist.gov/vuln/detail/CVE-2025-49113