Security readout for executives and security teams
Plain-English summary
CVE-2026-26290 affects EV Energy’s ev.energy platform. The backend can accept multiple WebSocket connections using the same charging station session identifier. An attacker may impersonate or shadow a station connection, receive commands meant for it, or disrupt service by crowding the backend with valid-looking session requests.
Executive priority
Treat as a high-priority operational technology/cloud service risk. The main business concern is unauthorized control-path visibility or disruption of EV charging sessions. Prioritize vendor confirmation, exposure review, and monitoring while awaiting or applying official guidance.
Technical view
The issue is CWE-613, insufficient session expiration/session handling. The CVE describes predictable session identifiers tied to charging station identifiers and no effective prevention of duplicate endpoint use. CVSS 3.1 is 7.3, network exploitable, low complexity, no privileges or user interaction required, with limited confidentiality, integrity, and availability impact.
Likely exposure
Organizations using EV Energy ev.energy, listed as affected for “All versions” in the provided CVE data, should assess exposure. The relevant surface is the WebSocket backend used for charging station session association. No CPEs or deployment-specific exposure details were provided.
Exploitation context
The provided sources do not indicate known active exploitation, and the CVE is not listed as CISA KEV. The described attack does not require credentials and relies on predictable or reusable session identifiers. Impact could include station session hijacking, command misdirection, or denial of service.
Researcher notes
Evidence supports a session uniqueness and expiration weakness, not a published exploit. Avoid production testing without authorization. Key validation areas are session identifier predictability, duplicate connection handling, and whether the newest WebSocket connection supersedes the legitimate station session.
Mitigation direction
- Check EV Energy and CISA advisory guidance for official remediation or compensating controls.
- Inventory ev.energy-connected charging stations and backend integrations.
- Reduce unnecessary network exposure to charging session services where feasible.
- Monitor for duplicate station sessions or unexpected connection displacement events.
- Escalate to EV Energy support for patch, configuration, or service-side remediation status.
Validation and detection
- Confirm whether your environment uses EV Energy ev.energy charging session WebSockets.
- Review logs for multiple endpoints using the same station/session identifier.
- Check for recent legitimate station disconnects followed by unexpected replacement connections.
- Verify vendor guidance against your deployed service configuration.
- Track CISA advisory ICSA-26-057-07 for updates.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-613: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-26290 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L3.93.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.3HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source materials
- CVE List V5 sourceCVE List V5
- https://www.ev.energy/en-usCVE reference
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-07CVE reference
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-057-07.jsonCVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Insufficient Session Expiration
Insufficient Session Expiration represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.