Roundcube vulnerabilities
- Roundcube has 63 CVE records published between 28 Oct 2023 and 28 Oct 2026, ranking #205 of 420 vendors on this site by that count.
- Of the 63 with a CVSS score, 21 (33.3%) are rated critical or high; 0 (0% of all) have no CVSS score.
- 11 vulnerabilities attributed to Roundcube are listed in CISA's Known Exploited Vulnerabilities (KEV) catalog; the most recent, CVE-2025-49113, was added on 20 Feb 2026.
- None of them is marked as known to be used in ransomware campaigns.
- For the 11 KEV entries with a published CVE record, the median time from CVE publication to KEV listing is 308 days.
Records are attributed to Roundcube from the vendor named in the source records. About the data.
CVE records per year
Show data as a table
| Year | CVE records |
|---|---|
| 2017 | 1 |
| 2018 | 0 |
| 2019 | 0 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 0 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 3 |
| 2026 | 55 |
2026 is partial (through 28 Oct 2026), shown in a lighter bar.
| Year | Records | Critical | High | Critical or high | Not scored |
|---|---|---|---|---|---|
| 2026 | 55 | 0 | 15 | 27.3% | 0% |
| 2025 | 3 | 1 | 2 | 100% | 0% |
| 2024 | 5 | 2 | 1 | 60% | 0% |
| 2023 | 2 | 0 | 0 | 0% | 0% |
| 2022 | 0 | 0 | 0 | — | — |
| 2021 | 1 | 1 | 0 | 100% | 0% |
| 2020 | 3 | 1 | 0 | 33.3% | 0% |
| 2019 | 0 | 0 | 0 | — | — |
| 2018 | 0 | 0 | 0 | — | — |
| 2017 | 1 | 0 | 1 | 100% | 0% |
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
Exploited vulnerabilities in CISA's KEV catalog
| CVE | Product | Name | Added | Ransomware |
|---|---|---|---|---|
| CVE-2025-49113 | Webmail | RoundCube Webmail Deserialization of Untrusted Data Vulnerability | 2026-02-20 | Unknown |
| CVE-2025-68461 | Webmail | RoundCube Webmail Cross-site Scripting Vulnerability | 2026-02-20 | Unknown |
| CVE-2024-42009 | Webmail | RoundCube Webmail Cross-Site Scripting Vulnerability | 2025-06-09 | Unknown |
| CVE-2024-37383 | Webmail | RoundCube Webmail Cross-Site Scripting (XSS) Vulnerability | 2024-10-24 | Unknown |
| CVE-2020-13965 | Webmail | Roundcube Webmail Cross-Site Scripting (XSS) Vulnerability | 2024-06-26 | Unknown |
| CVE-2023-43770 | Webmail | Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability | 2024-02-12 | Unknown |
| CVE-2023-5631 | Webmail | Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability | 2023-10-26 | Unknown |
| CVE-2020-12641 | Roundcube Webmail | Roundcube Webmail Remote Code Execution Vulnerability | 2023-06-22 | Unknown |
| CVE-2020-35730 | Roundcube Webmail | Roundcube Webmail Cross-Site Scripting (XSS) Vulnerability | 2023-06-22 | Unknown |
| CVE-2021-44026 | Roundcube Webmail | Roundcube Webmail SQL Injection Vulnerability | 2023-06-22 | Unknown |
| CVE-2017-16651 | Roundcube Webmail | Roundcube Webmail File Disclosure Vulnerability | 2021-11-03 | Unknown |
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.27, as of 27 Oct 2026. About the data.
Highest exploit-prediction scores (EPSS)
EPSS estimates the probability that a vulnerability is exploited in the next 30 days. These are the 10 highest-scoring Roundcube records today.
| CVE | EPSS | Percentile | Severity | In KEV |
|---|---|---|---|---|
| CVE-2025-49113 | 99.7% | 100% | Critical | Yes |
| CVE-2020-12641 | 84.4% | 99.7% | Critical | Yes |
| CVE-2024-42009 | 82.9% | 99.7% | Critical | Yes |
| CVE-2020-13965 | 76.6% | 99.5% | Medium | Yes |
| CVE-2023-5631 | 76.3% | 99.5% | Medium | Yes |
| CVE-2024-37383 | 74% | 99.5% | Medium | Yes |
| CVE-2021-44026 | 69.9% | 99.4% | Critical | Yes |
| CVE-2024-42010 | 66.7% | 99.3% | High | No |
| CVE-2023-43770 | 63.7% | 99.2% | Medium | Yes |
| CVE-2017-16651 | 45.7% | 98.8% | High | Yes |
Source: FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.27, as of 27 Oct 2026. About the data.