# CVE-2025-49113: RoundCube Webmail Deserialization of Untrusted Data Vulnerability

> CVE-2025-49113: RoundCube Webmail Deserialization of Untrusted Data Vulnerability. CVSS 9.9 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2025-49113
Last updated: 2026-06-17T09:30:47Z

- Published: 2025-06-02 00:00 UTC · Updated: 2026-06-17 09:30 UTC · Assigner: mitre
- CVSS: 9.9 (CVSS 3.1) · Severity: Critical · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- EPSS: 99.7%, 100th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2026-02-20, federal due date 2026-03-13, ransomware use: Unknown
- CWE: CWE-502

## Description

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.

## CISA 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.

## Affected vendors and products

- Roundcube: Webmail

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2025-49113)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2025-49113)
- [https://fearsoff.org/research/roundcube](https://fearsoff.org/research/roundcube)
- [https://github.com/roundcube/roundcubemail/commit/0376f69e958a8fef7f6f09e352c541b4e7729c4d](https://github.com/roundcube/roundcubemail/commit/0376f69e958a8fef7f6f09e352c541b4e7729c4d)
- [https://github.com/roundcube/roundcubemail/commit/7408f31379666124a39f9cb1018f62bc5e2dc695](https://github.com/roundcube/roundcubemail/commit/7408f31379666124a39f9cb1018f62bc5e2dc695)
- [https://github.com/roundcube/roundcubemail/commit/c50a07d88ca38f018a0f4a0b008e9a1deb32637e](https://github.com/roundcube/roundcubemail/commit/c50a07d88ca38f018a0f4a0b008e9a1deb32637e)
- [https://github.com/roundcube/roundcubemail/pull/9865](https://github.com/roundcube/roundcubemail/pull/9865)
- [https://github.com/roundcube/roundcubemail/releases/tag/1.5.10](https://github.com/roundcube/roundcubemail/releases/tag/1.5.10)
- [https://github.com/roundcube/roundcubemail/releases/tag/1.6.11](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://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-mitigation-script)
- [https://www.vicarius.io/vsociety/posts/cve-2025-49113-roundcube-vulnerability-detection](https://www.vicarius.io/vsociety/posts/cve-2025-49113-roundcube-vulnerability-detection)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2025-49113 · Markdown: https://rewindex.com/cve/CVE-2025-49113.md · JSON: https://rewindex.com/api/v1/cves/CVE-2025-49113 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:10:59.923Z