CVE-2026-111923: Fleet before 4.89.0 Unauthenticated DoS via Apple MDM Enrollment Plist Parsing
fleetdm · fleet
Fixed in 4.89.0 · Affected: fleetdm before 4.89.0 · 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 4.89.0 contains an unbounded recursion vulnerability in Apple MDM enrollment property list parsing that allows unauthenticated attackers to crash the server. Attackers can send a crafted binary plist payload of about 150 bytes to the enrollment endpoints, triggering exponential allocation or infinite recursion that exhausts CPU and memory.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- fleetdm · fleetbefore 4.89.0
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-2026-111923 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.