Vulnerability details
CVE-2025-49113
Actively exploited
Roundcube Webmail
CVSS 3.1
9.9Critical
Remedy
Required action (CISA): Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. (due: 2026-03-13)
Versions not listed as affected in the CVE record:
- Webmail — version 1.5.10 and later
- Webmail — version 1.6.11 and later
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.9Critical | 3.1 | CVEProject cvelistV5 (CNA) (mitre) | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Roundcube | Webmail | v < 1.5.10 | CVEProject cvelistV5 (CNA) |
| Roundcube | Webmail | 1.6.0 ≤ v < 1.6.11 | CVEProject cvelistV5 (CNA) |
References and advisories
13- https://github.com/roundcube/roundcubemail/releases/tag/1.6.11
- https://github.com/roundcube/roundcubemail/pull/9865
- https://roundcube.net/news/2025/06/01/security-updates-1.6.11-and-1.5.10
- https://github.com/roundcube/roundcubemail/commit/0376f69e958a8fef7f6f09e352c541b4e7729c4d
- https://github.com/roundcube/roundcubemail/releases/tag/1.5.10
- https://github.com/roundcube/roundcubemail/commit/7408f31379666124a39f9cb1018f62bc5e2dc695
- https://github.com/roundcube/roundcubemail/commit/c50a07d88ca38f018a0f4a0b008e9a1deb32637e
- https://fearsoff.org/research/roundcube
- https://www.vicarius.io/vsociety/posts/cve-2025-49113-roundcube-vulnerability-detection
- https://www.vicarius.io/vsociety/posts/cve-2025-49113-roundcube-mitigation-script
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-49113 government-resource
- http://www.openwall.com/lists/oss-security/2025/06/02/3
- https://lists.debian.org/debian-lts-announce/2025/06/msg00008.html
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Details
- Published
- 2025-06-02
- Last updated
- 2026-02-21
- State
- Published
- Assigner (CNA)
- mitre
- Kolun priority
- 90 · Critical
CISA KEV catalog
- Date added
- 2026-02-20
- Due date
- 2026-03-13
- Used in ransomware
- Unknown
Exploit prediction (EPSS)
99.6%
Probability of exploitation in 30 days
99.9%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- Active
- Technical impact
- Total
Weaknesses (CWE)
- CWE-502Deserialization of Untrusted Data