Bitmessage PyBitmessage version v0.6.2 (and introduced in or after commit 8ce72d8d2d25973b7064b1cf76a6b0b3d62f0ba0) contains a Eval injection vulnerability in main program, file src/messagetypes/__init__.py function constructObject that can result in Code Execution. This attack appears to be exploitable via remote attacker using a malformed message which must be processed by the victim - e.g. arrive from any sender on bitmessage network. This vulnerability appears to have been fixed in v0.6.3.
Conclusion & alert: CVE-2018-1000070 is rated High Risk (65.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.44%). Core evidence: EPSS rose +1.32% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 1.12% | 2.44% | +1.32% |
| 2 | 2025-09-27 | 1.18% | 1.12% | -0.06% |
| 3 | 2025-03-30 | — | 1.18% | — |
Full EPSS history (13 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.0 | HIGH |
|
2.8 | 5.9 | [email protected] |
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| bitmessage | pybitmessage | 0.6.2 | cpe:2.3:a:bitmessage:pybitmessage:0.6.2:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/Bitmessage/PyBitmessage/commit/3a8016d31f517775d226aa8b902480f4a3a148a9#comments | Patch Third Party Advisory |