PatchTheCVECVE-2016-10561: Bitty is a development web server tool that functions similar to `python -m SimpleHTTPServer`
CVE-2016-10561 is a medium-severity flaw (CVSS 5.3) affecting bitty. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Bitty is a development web server tool that functions similar to `python -m SimpleHTTPServer`. Version 0.2.10 has a directory traversal vulnerability that is exploitable via the URL path in GET requests.
Why this priority
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 5.3 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.5% (top 26%) |
| CISA exploited list | No |
| Weakness | CWE-22 |
| Published | 2018-05-31 |
| 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-2016-10561?
bitty: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2016-10561 being exploited?
CVE-2016-10561 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-2016-10561 affect?
CVE-2016-10561 affects bitty. Severity is medium (CVSS 5.3). Bitty is a development web server tool that functions similar to `python -m SimpleHTTPServer`. Version 0.2.10 has a directory traversal vulnerability that is exploitable via the URL path in GET requests.
How urgent is CVE-2016-10561?
Priority 42/100. Remotely exploitable, no login, no user action