Cyber Resilience

CVE-2026-23955

Linuxfoundation Everest ≤ 2025.9.0

Public PoC
Published
21 January 2026
Modified
06 February 2026
Patch / advisory
CVSS Score v3.1 4.2
Click a component to see what it means
Raw vectorCVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N
EPSS Score 0.0017 6th percentile
Risk Priority 32 floored blend · peak EPSS

CVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.

Summary

CVE-2026-23955 is a medium-severity Creation of Immutable Text Using String Concatenation (CWE-1046) vulnerability in Linuxfoundation Everest. Its CVSS base score is 4.2 (Medium).

Operationally, ranked at the 6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability Data

EVerest is an EV charging software stack. Prior to version 2025.9.0, in several places, integer values are concatenated to literal strings when throwing errors. This results in pointers arithmetic instead of printing the integer value as expected, like most of…

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interpreted languages. This can be used by malicious operator to read unintended memory regions, including the heap and the stack. Version 2025.9.0 fixes the issue.

CWE(s)

Related Threats

CVEs Like This One

CVE-2025-68140Same product: Linuxfoundation Everest
CVE-2025-68141Same product: Linuxfoundation Everest
CVE-2025-68132Same product: Linuxfoundation Everest
CVE-2026-26072Same product: Linuxfoundation Everest
CVE-2026-27813Same product: Linuxfoundation Everest
CVE-2026-23995Same product: Linuxfoundation Everest
CVE-2026-27814Same product: Linuxfoundation Everest
CVE-2025-68139Same product: Linuxfoundation Everest
CVE-2026-29044Same product: Linuxfoundation Everest
CVE-2026-22593Same product: Linuxfoundation Everest

Affected Assets

linuxfoundation
everest
≤ 2025.9.0

Mitigating Controls

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 mostly match
prevents

Secure SDLC practices directly enforce correct immutable string handling and catch concatenation anti-patterns at code time.

References