Vulnerability Report

CVE-2025-49113

RCE CISA KEV Active

Title: Roundcube Webmail RCE

RCE

Proof Of Concept

PoC Available for CVE-2025-49113

CWE Category CWE-502
Published Date Jun 02, 2025
Modified Date Feb 23, 2026
Exploit Status Available
Score 9.9 CVSS v3.1
Exploit Probability (EPSS)
96.78%

Vulnerability Summary

CVE-2025-49113: 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.

Impacted Vendors

C
cobalt 1
R
roundcube 1
V
vdesk 1

Reference Links

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
CVSS v3.1
Source Entity [email protected]
Severity HIGH
8.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v3.1
Source Entity [email protected]
Severity CRITICAL
9.9
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2025-49113 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/Ademking/CVE-2025-49113-nuclei-template
View Code
GitHub https://github.com/fearsoff-org/CVE-2025-49113
View Code
GitHub https://github.com/hakaioffsec/CVE-2025-49113-exploit
View Code
Exploit-DB https://www.exploit-db.com/exploits/52324
View Code
MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.