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CVE-2025-49113

99
FAUCET Score

CVE-2025-49113 is a critical PHP Object Deserialization vulnerability in Roundcube Webmail versions before 1.5.10 and 1.6.11, allowing authenticated attackers to achieve remote code execution by manipulating an unvalidated URL parameter. This flaw carries a CVSS score of 8.8 (High) due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. The vulnerability is actively exploited in the wild, with public exploit code available in Metasploit and ExploitDB, and has garnered significant community discussion and media coverage, including a CISA alert.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.5.10CPE matchmatch criteria
cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*
>= 1.6.0, < 1.6.11CPE matchmatch criteria
cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*
11.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
>= 0, < 1.5.10CPE match
cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.9CRITICAL

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.1
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
96.78%
Probability of exploitation in next 30 days
EPSS Percentile
99.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Added to KEV · Feb 20, 2026
Metasploit: Roundcube Post-Auth RCE via PHP Object Deserialization · Jun 2, 2025
Nuclei: CVE-2025-49113 · Jun 6, 2025
ExploitDB: EDB-52324 · Jun 13, 2025
This CVE's current EPSS score of 0.9677 is in the 100th percentile among its peer group of 17,823 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

composerpatch availablevia ghsa
Product: roundcube/roundcubemailFixed in: 1.5.10
composerpatch availablevia ghsa
Product: roundcube/roundcubemailFixed in: 1.6.11
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (2)

composerGHSA-8j8w-wwqc-x596critical

Roundcube Webmail Vulnerable to Authenticated RCE via PHP Object Deserialization

Jun 2, 2025
redhatCVE-2025-49113Critical

roundcubemail: Remote Code Execution in Roundcube via Unvalidated _from Parameter

Jun 2, 2025

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
lists.debian.org / debian-lts-announce/2025/06/msg00008.html
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2025/06/02/3
Mailing ListThird Party Advisory
fearsoff.org / research/roundcube
Third Party Advisory
github.com / roundcube/roundcubemail/commit/0376f69e958a8fef7f6f09e352c541b4e7729c4d
Patch
github.com / roundcube/roundcubemail/commit/7408f31379666124a39f9cb1018f62bc5e2dc695
Patch
github.com / roundcube/roundcubemail/commit/c50a07d88ca38f018a0f4a0b008e9a1deb32637e
Patch
github.com / roundcube/roundcubemail/pull/9865
Issue Tracking
github.com / roundcube/roundcubemail/releases/tag/1.5.10
Release Notes
github.com / roundcube/roundcubemail/releases/tag/1.6.11
Release Notes
roundcube.net / news/2025/06/01/security-updates-1.6.11-and-1.5.10
Vendor Advisory
vicarius.io / vsociety/posts/cve-2025-49113-roundcube-mitigation-script
ExploitMitigationThird Party Advisory
vicarius.io / vsociety/posts/cve-2025-49113-roundcube-vulnerability-detection
ExploitMitigationThird Party Advisory