Security readout for executives and security teams
Plain-English summary
CVE-2026-24731 is a critical authentication failure in EV2GO ev2go.io. The reported issue lets an unauthenticated network attacker impersonate an electric vehicle charging station through OCPP WebSocket communication. Business risk includes unauthorized charger control, corrupted charging data, and potential disruption to charging operations.
Executive priority
Treat this as urgent for any EV2GO ev2go.io environment. The issue affects critical charging operations and has a 9.4 CVSS score. Prioritize exposure assessment first, then apply vendor-directed remediation when available.
Technical view
The vulnerability is CWE-306: Missing Authentication for Critical Function. EV2GO ev2go.io WebSocket endpoints reportedly do not properly authenticate OCPP clients. An attacker with a known or discovered station identifier can connect as a charger and issue or receive OCPP commands. CVSS v3.1 is 9.4: network exploitable, low complexity, no privileges, no user interaction.
Likely exposure
Organizations using EV2GO ev2go.io for charging infrastructure should assume potential exposure, as the CVE lists all versions affected. The source bundle does not provide deployment-specific prerequisites beyond network access to the OCPP WebSocket endpoint and a station identifier.
Exploitation context
The CVE describes unauthenticated remote exploitation with low complexity. It requires a known or discovered charging station identifier. CISA KEV status is false in the provided data, and the provided sources do not state active exploitation in the wild.
Researcher notes
Do not assume active exploitation from the provided sources. The key technical condition is missing authentication on OCPP WebSocket endpoints, enabling station impersonation when an identifier is known or discovered. Patch and mitigation details are not included in the source bundle.
Mitigation direction
- Review the CISA advisory and EV2GO guidance for vendor-approved remediation.
- Inventory EV2GO ev2go.io deployments and associated OCPP WebSocket endpoints.
- Confirm whether a vendor patch, configuration change, or compensating control is available.
- Prioritize remediation for Internet-reachable or externally accessible charging management paths.
Validation and detection
- Identify whether EV2GO ev2go.io is used in your charging environment.
- Confirm affected version status against the CVE and CISA advisory.
- Review whether OCPP WebSocket endpoints enforce authentication for charger connections.
- Check backend records for unexpected station identifiers or abnormal charger activity.
- Monitor CISA KEV and vendor sources for exploitation or remediation updates.
Public sources used
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-306: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. 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-2026-24731 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
- Critical
- CVSS
- 9.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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:H/I:H/A:L3.95.5Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.4CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Source materials
- CVE List V5 sourceCVE List V5
- https://ev2go.io/CVE reference
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-04CVE reference
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-057-04.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.
Missing Authentication for Critical Function
Missing Authentication for Critical Function represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.