CVE-2026-5536 describes a high-severity deserialization vulnerability (CVSS 7.3) in the sendMessage function of the gRPC server component of FedML-AI FedML versions up to 0.8.9. This weakness allows for remote exploitation with low complexity and no authentication, potentially impacting confidentiality, integrity, and availability. While not listed in CISA's KEV and lacking public exploit code, it is flagged as "Active" on some hotlists, suggesting ongoing monitoring despite minimal community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 0.8.9CPE matchmatch criteria | cpe:2.3:a:tensoropera:fedml:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.