# CVE-2026-123788: chenyme grok2api STT Billing voice_ws_handler.go behavioral workflow

Status: published. Published: 2026-11-06. Updated: 2026-11-06.

A security vulnerability has been detected in chenyme grok2api up to 3.1.6. The impacted element is an unknown function of the file backend/internal/transport/http/inference/voice_ws_handler.go of the component STT Billing. The manipulation leads to enforcement of behavioral workflow. The attack may be initiated remotely. Upgrading to version 3.1.7 is sufficient to resolve this issue. The identifier of the patch is 7ad0f791f0a9eb5a0ddfe38ac4dfcef01e19a6d4. Upgrading the affected component is recommended.

## Remediation

- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: VulDB) — https://github.com/chenyme/grok2api/pull/1073
- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: VulDB) — https://github.com/chenyme/grok2api/commit/7ad0f791f0a9eb5a0ddfe38ac4dfcef01e19a6d4
- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: VulDB) — https://github.com/chenyme/grok2api/releases/tag/v3.1.7

## Affected products and versions

- chenyme / grok2api: 3.1.0 (affected); 3.1.1 (affected); 3.1.2 (affected); 3.1.3 (affected); 3.1.4 (affected); 3.1.5 (affected); 3.1.6 (affected); 3.1.7 (unaffected). Source: CNA: VulDB

## Severity and prioritization

- CVSS 4.0: 5.3 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X; source: CNA: VulDB

- CVSS 3.1: 4.3 (medium); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:X/RL:O/RC:C; source: CNA: VulDB

- CVSS 3.0: 4.3 (medium); CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:X/RL:O/RC:C; source: CNA: VulDB

- CVSS 2.0: 4 (medium); AV:N/AC:L/Au:S/C:N/I:P/A:N/E:ND/RL:OF/RC:C; source: CNA: VulDB

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-841, CWE-840

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://vuldb.com/vuln/431934 (CNA: VulDB; vdb-entry)

- https://vuldb.com/vuln/431934/cti (CNA: VulDB; signature, permissions-required)

- https://vuldb.com/cve/CVE-2026-123788 (CNA: VulDB; third-party-advisory)

- https://vuldb.com/submit/1033606 (CNA: VulDB; third-party-advisory)

- https://github.com/chenyme/grok2api/issues/1072 (CNA: VulDB; issue-tracking)

- https://github.com/chenyme/grok2api/pull/1073 (CNA: VulDB; issue-tracking, patch)

- https://github.com/chenyme/grok2api/commit/7ad0f791f0a9eb5a0ddfe38ac4dfcef01e19a6d4 (CNA: VulDB; patch)

- https://github.com/chenyme/grok2api/releases/tag/v3.1.7 (CNA: VulDB; patch)

- https://github.com/chenyme/grok2api/ (CNA: VulDB; product)

## Provenance

- CNA: VulDB: https://www.cve.org/CVERecord?id=CVE-2026-123788; retrieved 2026-11-06; source updated 2026-11-06

Revision: f9b9e76f875d5ccee52e7ea4c4e32e3bd82e1629dde466e7ebe97353dd455fc6

Canonical: https://y2.dev/cve/CVE-2026-123788

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.