CVE-2025-26819: Monero through 0.18.3.4 before ec74ff4 does not have response limits on HTTP server connections.
CVE-2025-26819 is a high-severity flaw (CVSS 8.6) affecting monero. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Monero through 0.18.3.4 before ec74ff4 does not have response limits on HTTP server connections.
Why this priority
- High severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.6 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.6% (top 54%) |
| CISA exploited list | No |
| Weakness | CWE-770 |
| Published | 2025-02-15 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-26819?
monero: upgrade to newer than 0.18.3.4. Exact commands for each OS are on this page.
Is CVE-2025-26819 being exploited?
CVE-2025-26819 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-26819 affect?
CVE-2025-26819 affects monero. Severity is high (CVSS 8.6). Monero through 0.18.3.4 before ec74ff4 does not have response limits on HTTP server connections.
How urgent is CVE-2025-26819?
Priority 47/100. High severity; Remotely exploitable, no login, no user action