PatchTheCVECVE-2022-31246: paymentrequest.py in Electrum before 4.2.2 allows a file:// URL in the r parameter of a payment request (e.g.,
CVE-2022-31246 is a medium-severity flaw (CVSS 5.5) affecting electrum. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
paymentrequest.py in Electrum before 4.2.2 allows a file:// URL in the r parameter of a payment request (e.g., within QR code data). On Windows, this can lead to capture of credentials over SMB. On Linux and UNIX, it can lead to a denial of service by specifying the /dev/zero filename.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.5 (Medium) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.8% (top 43%) |
| CISA exploited list | No |
| Weakness | CWE-88 |
| Published | 2022-06-17 |
| 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-2022-31246?
electrum: upgrade to 4.2.2. Exact commands for each OS are on this page.
Is CVE-2022-31246 being exploited?
CVE-2022-31246 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-2022-31246 affect?
CVE-2022-31246 affects electrum. Severity is medium (CVSS 5.5). paymentrequest.py in Electrum before 4.2.2 allows a file:// URL in the r parameter of a payment request (e.g., within QR code data). On Windows, this can lead to capture of credentials over SMB. On Linux and UNIX, it can lead to a denial of
How urgent is CVE-2022-31246?
Priority 34/100. No elevated risk signals yet.