CVE-2025-49113: RoundCube Webmail Deserialization of Untrusted Data Vulnerability
Reference page built from the source records below, each shown as its source publishes it. Dataset version ref-ec854fa5bbd1, updated 2026-11-02T23:39:54.475Z.
CISA Known Exploited Vulnerabilities
- Name
- RoundCube Webmail Deserialization of Untrusted Data Vulnerability
- Vendor
- Roundcube
- Product
- Webmail
- Added to the catalog
- 2026-02-20
- Due date for US federal agencies
- 2026-03-13
- Weaknesses
- CWE-502
- Catalog version
- 2026.10.30
RoundCube Webmail contains a deserialization of untrusted data vulnerability that allows remote code execution by authenticated users because the _from parameter in a URL is not validated in program/actions/settings/upload.php.
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.
Ransomware use: CISA does not mark known use of this vulnerability in ransomware campaigns.
Links in CISA's notes
- https://roundcube.net/news/2025/06/01/security-updates-1.6.11-and-1.5.10
- https://github.com/roundcube/roundcubemail/releases/tag/1.5.10
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.11
- https://nvd.nist.gov/vuln/detail/CVE-2025-49113
Read on 2026-11-02T23:39:54.475Z under licence cisa-kev-cc0@b0067899 from https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json
NVD analysis
- Status
- Analyzed
- Published
- 2025-06-02T05:15:53.420
- Last modified
- 2026-06-17T09:30:47.027
- Weaknesses
- CWE-502
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.
| Metric | Score | Severity | Vector | Scored by |
|---|---|---|---|---|
| CVSS 3.1 | 9.9 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H | [email protected] (Secondary) |
| CVSS 3.1 | 8.8 | HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | [email protected] (Primary) |
References
- 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)
This product uses the NVD API but is not endorsed or certified by the NVD.
Read on 2026-11-02T23:42:22.836Z under licence nvd-api-terms-of-use@ff2a5288 from https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2025-49113
CVE record
- Assigner
- mitre
- State
- PUBLISHED
- Published
- 2025-06-02T00:00:00.000Z
- Updated
- 2026-02-21T04:56:23.141Z
- Problem types
- CWE-502 Deserialization of Untrusted Data
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.
References
- https://roundcube.net/news/2025/06/01/security-updates-1.6.11-and-1.5.10
- https://github.com/roundcube/roundcubemail/pull/9865
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.11
- 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
Read on 2026-11-03T02:16:58.795Z under licence cve-terms-of-use@81bfa2f3 from https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2025/49xxx/CVE-2025-49113.json
GitHub Advisory Database
GHSA-8j8w-wwqc-x596: Roundcube Webmail Vulnerable to Authenticated RCE via PHP Object Deserialization
- Severity (GitHub)
- critical
- CVSS
- 9.9 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Weaknesses
- CWE-502
- Published
- 2025-06-02T06:30:32Z
- Updated
- 2026-02-20T21:48:11Z
- composer roundcube/roundcubemail: affected < 1.5.10, first patched 1.5.10
- composer roundcube/roundcubemail: affected >= 1.6.0, < 1.6.11, first patched 1.6.11
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.
Read on 2026-11-03T05:52:29.163Z under licence ghsa-cc-by-4.0@9e5f1b3c from https://api.github.com/advisories/GHSA-8j8w-wwqc-x596
Also known as / affected packages
GHSA-8j8w-wwqc-x596
Also known as: CVE-2025-49113. OSV.dev record, GitHub advisory.
- Packagist roundcube/roundcubemail: introduced 0, fixed 1.5.10
- Packagist roundcube/roundcubemail: introduced 1.6.0, fixed 1.6.11
Read on 2026-11-03T02:50:24.390Z under licence ghsa-cc-by-4.0@9e5f1b3c from https://api.osv.dev/v1/vulns/GHSA-8j8w-wwqc-x596
Defensive techniques (MITRE D3FEND)
D3FEND maps these defensive techniques to the weakness (CWE) that NVD lists for this CVE, through the digital artifacts the weakness affects. D3FEND does not say they stop this vulnerability.
CWE-502: Deserialization of Untrusted Data
- Harden: Software Update (acts on Software)
- Harden: Trusted Library (acts on Subroutine)
- Model: Software Inventory (acts on Software)
- Model: Asset Vulnerability Enumeration (acts on Software)
- Harden: Domain Logic Validation (acts on Subroutine)
- Harden: Variable Initialization (acts on Subroutine)
- Harden: Credential Scrubbing (acts on Subroutine)
- Restore: Restore Software (acts on Software)
- Isolate: Application-based Process Isolation (acts on Subroutine)
D3FEND ontology version 1.6.0.
Read on 2026-11-02T23:56:57.230Z under licence d3fend-terms-of-use@f98cbc7e from https://d3fend.mitre.org/api/weakness/cwe/CWE-502.json
MITRE D3FEND™ knowledge graph. © 2025 The MITRE Corporation.
"The MITRE Corporation (MITRE) hereby grants you a non-exclusive, royalty-free license to use D3FEND for research, development, and commercial purposes. Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." Terms: https://d3fend.mitre.org/tou/
Sources and licences
CISA
Source: CISA Catalog of Known Exploited Vulnerabilities, version 2026.10.30, CC0 1.0. Use of this data does not imply endorsement by CISA or DHS.
National Vulnerability Database (NIST)
This product uses the NVD API but is not endorsed or certified by the NVD.
NVD API Terms of Use (NIST publications in the public domain, 17 U.S.C. 105)
CVE Program, The MITRE Corporation
Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation. CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.
GitHub Advisory Database
Source: GitHub Advisory Database, https://github.com/advisories/GHSA-8j8w-wwqc-x596, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Changes: fields selected and reformatted by ransomware-tracker.com.
GitHub Advisory Database via OSV.dev
GHSA-8j8w-wwqc-x596: GitHub Advisory Database, https://github.com/advisories/GHSA-8j8w-wwqc-x596. Licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/), provided as is, without warranties. Retrieved via OSV.dev (https://osv.dev/vulnerability/GHSA-8j8w-wwqc-x596), which enriches records; fields selected and reformatted by ransomware-tracker.com.
MITRE D3FEND
MITRE D3FEND™ knowledge graph. © 2025 The MITRE Corporation.
"The MITRE Corporation (MITRE) hereby grants you a non-exclusive, royalty-free license to use D3FEND for research, development, and commercial purposes. Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." Terms: https://d3fend.mitre.org/tou/MITRE D3FEND Terms of Use (site + knowledge graph); source repo MIT
Cite this page
Dragons Eye Ransomware Tracker, "CVE-2025-49113: RoundCube Webmail Deserialization of Untrusted Data Vulnerability",
entity page, dataset version ref-ec854fa5bbd1, updated 2026-11-02T23:39:54.475Z,
https://ransomware-tracker.com/cve/CVE-2025-49113 (accessed 2026-11-03).
Underlying source: CISA Catalog of Known Exploited Vulnerabilities, version 2026.10.30.
Underlying source: National Vulnerability Database (NIST), CVE API 2.0, record last modified 2026-06-17T09:30:47.027.
Underlying source: CVE List (CVE Program, The MITRE Corporation), record updated 2026-02-21T04:56:23.141Z.
Underlying source: GitHub Advisory Database, GHSA-8j8w-wwqc-x596, updated 2026-02-20T21:48:11Z.
Underlying source: GitHub Advisory Database, GHSA-8j8w-wwqc-x596, via OSV.dev, modified 2026-02-20T22:12:07.556482Z.
Underlying source: MITRE D3FEND, ontology version 1.6.0.
Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.