CVE-2023-32637: GBrowse accepts files with any formats uploaded and places them in the area accessible through unauthenticated
CVE-2023-32637 is a critical-severity flaw (CVSS 9.8) affecting gbrowse. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
GBrowse accepts files with any formats uploaded and places them in the area accessible through unauthenticated web requests. Therefore, anyone who can upload files through the product may execute arbitrary code on the server.
Why this priority
- Critical severity
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.1% (top 34%) |
| CISA exploited list | No |
| Weakness | CWE-434 |
| Published | 2023-07-25 |
| 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-2023-32637?
gbrowse: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2023-32637 being exploited?
CVE-2023-32637 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-2023-32637 affect?
CVE-2023-32637 affects gbrowse. Severity is critical (CVSS 9.8). GBrowse accepts files with any formats uploaded and places them in the area accessible through unauthenticated web requests. Therefore, anyone who can upload files through the product may execute arbitrary code on the server.
How urgent is CVE-2023-32637?
Priority 56/100. Critical severity; Remotely exploitable, no login, no user action