Rails vulnerabilities
- Rails has 35 CVE records published between 28 Oct 2023 and 28 Oct 2026, ranking #228 of 420 vendors on this site by that count.
- Of the 35 with a CVSS score, 4 (11.4%) are rated critical or high; 0 (0% of all) have no CVSS score.
- 3 vulnerabilities attributed to Rails are listed in CISA's Known Exploited Vulnerabilities (KEV) catalog; the most recent, CVE-2019-5418, was added on 7 Jul 2025.
- None of them is marked as known to be used in ransomware campaigns.
- For the 3 KEV entries with a published CVE record, the median time from CVE publication to KEV listing is 2,294 days.
Records are attributed to Rails from the vendor named in the source records. About the data.
CVE records per year
Show data as a table
| Year | CVE records |
|---|---|
| 2017 | 0 |
| 2018 | 1 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 0 |
| 2022 | 5 |
| 2023 | 0 |
| 2024 | 15 |
| 2025 | 7 |
| 2026 | 13 |
2026 is partial (through 28 Oct 2026), shown in a lighter bar.
| Year | Records | Critical | High | Critical or high | Not scored |
|---|---|---|---|---|---|
| 2026 | 13 | 2 | 1 | 23.1% | 0% |
| 2025 | 7 | 0 | 0 | 0% | 0% |
| 2024 | 15 | 0 | 1 | 6.7% | 0% |
| 2023 | 0 | 0 | 0 | — | — |
| 2022 | 5 | 0 | 3 | 60% | 0% |
| 2021 | 0 | 0 | 0 | — | — |
| 2020 | 2 | 0 | 0 | 0% | 0% |
| 2019 | 4 | 0 | 1 | 100% | 75% |
| 2018 | 1 | 0 | 0 | — | 100% |
| 2017 | 0 | 0 | 0 | — | — |
| Before 2017 | 2 | ||||
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-2019-5418 | Ruby on Rails | Rails Ruby on Rails Path Traversal Vulnerability | 2025-07-07 | Unknown |
| CVE-2014-0130 | Ruby on Rails | Ruby on Rails Directory Traversal Vulnerability | 2022-03-25 | Unknown |
| CVE-2016-0752 | Ruby on Rails | Ruby on Rails Directory Traversal Vulnerability | 2022-03-25 | 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 Rails records today.
| CVE | EPSS | Percentile | Severity | In KEV |
|---|---|---|---|---|
| CVE-2019-5418 | 98.5% | 99.9% | High | Yes |
| CVE-2016-0752 | 95.5% | 99.9% | High | Yes |
| CVE-2019-5420 | 89.3% | 99.8% | Not scored | No |
| CVE-2014-0130 | 53.7% | 99% | High | Yes |
| CVE-2026-66066 | 26.5% | 98% | Critical | No |
| CVE-2019-5419 | 8.8% | 95.2% | Not scored | No |
| CVE-2025-24293 | 5.6% | 92.9% | Critical | No |
| CVE-2020-15169 | 2.4% | 83.8% | Medium | No |
| CVE-2022-23633 | 2.2% | 82.6% | High | No |
| CVE-2022-23517 | 1.6% | 75.4% | High | No |
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.