VDB
CVE-2026-34388
CVE-2026-34388
PUBLISHED
CVSS 6.599999904632568 MEDIUM
Fleet vulnerable to Denial of Service via unhandled gRPC log type in launcher endpoint
EPSS 0.06% · 19.9th percentile
Risk Scores
CVSS 4.0
6.599999904632568
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U
EPSS Score
0.06%
19.9th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| github.com | fleetdm/fleet/v4 | 0 |
| fleetdm | fleet | < 4.81.0, < 4.81.0, < 4.81.0 |
Exploit Intelligence
- CIRCL seen: CVE-2026-34388 (circl-sighting)
- https://github.com/fleetdm/fleet/security/advisories/GHSA-w254-4hp5-7cvv (circl)
- GO-2026-4915.yaml (github-poc)
- GO-2026-4915.yaml (github-poc)
- GO-2026-4915.yaml (github-poc)
- GO-2026-4915.yaml (github-poc)
- GO-2026-4915.yaml (github-poc)
- GO-2026-4915.yaml (github-poc)
Timeline
- Mar 27, 2026 Coalition ESS Score
- Mar 27, 2026 CVE Published
- Mar 28, 2026 EPSS Score
- Mar 31, 2026 Security Advisory
- Mar 31, 2026 CVE Updated
- Apr 2, 2026 PoC Published
- May 18, 2026 EPSS Score
- May 19, 2026 EPSS Score
- May 20, 2026 EPSS Score
- May 21, 2026 EPSS Score
- May 22, 2026 EPSS Score
- May 23, 2026 EPSS Score