MSRXVulnerabilities / CVE-2025-49113
CVE-2025-49113
Published 2025-06-02 · Analyzed
CVE-2025-49113
RoundCube Webmail Deserialization of Untrusted Data Vulnerability
Exploited in the wild: CISA added it to the Known Exploited Vulnerabilities catalog on 2026-02-20, with a fix-by date of 2026-03-13. Patch it first.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
9.9 CRITICAL
CVSS 3.1 · CNA · mitre.org
CVSS 3.1 · CNA · mitre.org
99%
chance of exploitation in the next 30 days (EPSS; in the top 1% of all CVEs)
chance of exploitation in the next 30 days (EPSS; in the top 1% of all CVEs)
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.
Scores
Affected packages and fixed versions
| Package | Ecosystem | Fixed in |
|---|---|---|
| roundcube/roundcubemail | Packagist | 1.5.10, 1.6.11 |
Affected products
- roundcube webmail: < 1.5.10; ≥ 1.6.0, < 1.6.11
- debian debian linux: 11.0
Weakness: CWE-502
Also known as: GHSA-8j8w-wwqc-x596
13 references (advisories, patches, write-ups)
- https://fearsoff.org/research/roundcube · Third Party Advisory
- https://github.com/roundcube/roundcubemail/commit/0376f69e958a8fef7f6f09e352c541b4e7729c4d · Patch
- https://github.com/roundcube/roundcubemail/commit/7408f31379666124a39f9cb1018f62bc5e2dc695 · Patch
- https://github.com/roundcube/roundcubemail/commit/c50a07d88ca38f018a0f4a0b008e9a1deb32637e · Patch
- https://github.com/roundcube/roundcubemail/pull/9865 · Issue Tracking
- https://github.com/roundcube/roundcubemail/releases/tag/1.5.10 · Release Notes
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.11 · Release Notes
- https://roundcube.net/news/2025/06/01/security-updates-1.6.11-and-1.5.10 · Vendor Advisory
- https://www.vicarius.io/vsociety/posts/cve-2025-49113-roundcube-mitigation-script · Exploit, Mitigation, Third Party Advisory
- https://www.vicarius.io/vsociety/posts/cve-2025-49113-roundcube-vulnerability-detection · Exploit, Mitigation, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2025/06/02/3 · Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/06/msg00008.html · Mailing List, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-49113 · US Government Resource
Sources: NVD, CVE.org, OSV.dev, FIRST EPSS. Missing ones did not answer or have no record yet.