PatchTheCVECVE-2021-28955: git-bug before 0.7.2 has an Uncontrolled Search Path Element
CVE-2021-28955 is a critical-severity flaw (CVSS 9.8) affecting git-bug. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
git-bug before 0.7.2 has an Uncontrolled Search Path Element. It will execute git.bat from the current directory in certain PATH situations (most often seen on Windows).
Why this priority
- Critical severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.7% (top 23%) |
| CISA exploited list | No |
| Weakness | CWE-427 |
| Published | 2021-03-22 |
| 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-2021-28955?
git-bug: upgrade to 0.7.2. Exact commands for each OS are on this page.
Is CVE-2021-28955 being exploited?
CVE-2021-28955 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-2021-28955 affect?
CVE-2021-28955 affects git-bug. Severity is critical (CVSS 9.8). git-bug before 0.7.2 has an Uncontrolled Search Path Element. It will execute git.bat from the current directory in certain PATH situations (most often seen on Windows).
How urgent is CVE-2021-28955?
Priority 59/100. Critical severity; Remotely exploitable, no login, no user action
Software pages
Windows vulnerabilities · Git vulnerabilities