Product by Open Source
Ruby
13 known vulnerabilities in Ruby (Open Source), 0 of them actively exploited (CISA KEV).
Key figures
13
Vulnerabilities
0
Actively exploited (KEV)
0
Used by ransomware
1
Critical
Vulnerabilities
Actively exploited vulnerabilities (CISA KEV) first, then by priority. Click a column header to re-sort the table.
| High | CVE-2026-41316 | ERB has an @_init deserialization guard bypass via def_module / def_method / def_class | 8.1 | |
| High | CVE-2025-24294 | Ruby Resolv: Denial of Service | 7.5 | |
| Critical | CVE-2026-42257 | net-imap: Command Injection via "raw" arguments to multiple commands | 9.8 | |
| Medium | CVE-2026-47240 | Net::IMAP: Command Injection via non-synchronizing literal in "raw" argument | — | |
| High | CVE-2026-42258 | net-imap: Command Injection via unvalidated Symbol inputs | 5.3 | |
| High | CVE-2026-42245 | net-imap: Quadratic complexity when reading response literals | 7.5 | |
| High | CVE-2025-27219 | Ruby CGI: Allocation of Resources Without Limits or Throttling | 5.8 | |
| High | CVE-2026-42246 | net-imap vulnerable to STARTTLS stripping via invalid response timing | 7.4 | |
| Medium | CVE-2026-42256 | net-imap: Denial of service via high iteration count for `SCRAM-*` authentication | 6.5 | |
| High | CVE-2025-27220 | Ruby CGI: Inefficient Regular Expression Complexity | 4.0 | |
| Medium | CVE-2026-47242 | Net::IMAP: Command Injection via ID command argument | — | |
| Medium | CVE-2025-27221 | Ruby URI: Improper Removal of Sensitive Information Before Storage or Transfer | 3.2 | |
| Low | CVE-2026-47241 | Net::IMAP: Denial of Service via incomplete raw argument validation | — |