CVE-2026-26073: everest everest-core Heap-based Buffer Overflow
Vulnerability summary
CVE-2026-26073 is a medium (CVSS 5.9) Heap-based Buffer Overflow vulnerability in everest everest-core. EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 29% of scored vulnerabilities.
Timeline
- 26-03-2026PublishedVulnerability first disclosed.
- 26-03-2026Last modifiedVulnerability information updated.
Description
EVerest is an EV charging software stack. Versions prior to 2026.02.0 have a data race leading to possible `std::queue`/`std::deque` corruption. The trigger is powermeter public key update and EV session/error events (while OCPP not started). This results in a TSAN data race report and an ASAN/UBSAN misaligned address runtime error being observed. Version 2026.02.0 contains a patch.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.37%
Chance of exploitation in the next 30 days
Percentile
29%
Versus all other CVEs
30-day change
+0.06 pp
From 0.30% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-122Heap-based Buffer OverflowA heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Everest1 product
- everest-core< 2026.02.0
Linuxfoundation1 product
- everest< 2026.02.0
2 vendors · 2 products
References
1 links- github.com/EVerest/EVerest/security/advisories/GHSA-jf36-f4f9-7qc2X Refsource CONFIRMVendor Advisory