CVE-2026-27815 is a critical out-of-bounds write vulnerability affecting the EVerest EV charging software stack, specifically versions prior to 2026.02.0. This flaw allows an unauthenticated, remote attacker to trigger the out-of-bounds write by sending oversized MQTT Cmd payloads, which can corrupt adjacent EVSE state or crash the process. Rated Critical with a CVSS score of 9.1, it poses a high risk to system integrity and availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2026.02.0CPE matchmatch criteria | cpe:2.3:o:linuxfoundation:everest:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/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, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.