CVE-2026-111924: Fleet before 4.83.0 Denial of Service via Unbounded Gzip Decompression
fleetdm · fleet
Fixed in 4.83.0 · Affected: fleetdm before 4.83.0 · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 30% of scored CVEs
DescriptionCVE.org
Fleet before 4.83.0 contains a denial of service vulnerability that allows unauthenticated attackers to exhaust server memory by sending gzip-compressed request bodies. Attackers can send small, highly compressed requests with Content-Encoding: gzip to unauthenticated endpoints that expand during decoding, crashing the entire Fleet instance.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- fleetdm · fleetbefore 4.83.0
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- fleetdm
- Published
- October 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-111924 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.