# CVE-2026-123748: chenyme grok2api WebSocket Proxy voice_ws_handler.go proxyVoiceWebSocket resource consumption

Status: published. Published: 2026-11-06. Updated: 2026-11-09.

A security flaw has been discovered in chenyme grok2api up to 3.1.6. Affected by this vulnerability is the function proxyVoiceWebSocket of the file backend/internal/transport/http/inference/voice_ws_handler.go of the component WebSocket Proxy. The manipulation results in resource consumption. The attack may be launched remotely. Upgrading to version 3.1.7 addresses this issue. The patch is identified as 7ad0f791f0a9eb5a0ddfe38ac4dfcef01e19a6d4. It is suggested to upgrade the affected component.

## 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:N/VA:L/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:N/A:L/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:N/A:L/E:X/RL:O/RC:C; source: CNA: VulDB

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

- CVSS 4.0: 5.3 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X; source: NVD: cna@vuldb.com

- CVSS 3.1: 4.3 (medium); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L; source: NVD: cna@vuldb.com

- CVSS 2.0: 4 (medium); AV:N/AC:L/Au:S/C:N/I:N/A:P; source: NVD: cna@vuldb.com

- CISA KEV: No listing in collected sources

- EPSS: 0.35% as of 2026-11-09; percentile 29.30%

- SSVC: exploitation none; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-400, CWE-404

## Exploit evidence

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

## References

- https://vuldb.com/vuln/431905 (CNA: VulDB; vdb-entry, technical-description)

- https://vuldb.com/vuln/431905/cti (CNA: VulDB; signature, permissions-required)

- https://vuldb.com/cve/CVE-2026-123748 (CNA: VulDB; third-party-advisory)

- https://vuldb.com/submit/1033605 (CNA: VulDB; third-party-advisory)

- https://github.com/chenyme/grok2api/issues/1071 (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)

- https://github.com/chenyme/grok2api/ (cna@vuldb.com)

- https://github.com/chenyme/grok2api/commit/7ad0f791f0a9eb5a0ddfe38ac4dfcef01e19a6d4 (cna@vuldb.com)

- https://github.com/chenyme/grok2api/issues/1071 (cna@vuldb.com)

- https://github.com/chenyme/grok2api/pull/1073 (cna@vuldb.com)

- https://github.com/chenyme/grok2api/releases/tag/v3.1.7 (cna@vuldb.com)

- https://vuldb.com/cve/CVE-2026-123748 (cna@vuldb.com)

- https://vuldb.com/submit/1033605 (cna@vuldb.com)

- https://vuldb.com/vuln/431905 (cna@vuldb.com)

- https://vuldb.com/vuln/431905/cti (cna@vuldb.com)

## Provenance

- CNA: VulDB: https://www.cve.org/CVERecord?id=CVE-2026-123748; retrieved 2026-11-09; source updated 2026-11-09

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-123748; retrieved 2026-11-10; source updated 2026-11-09

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-123748; retrieved 2026-11-09; source updated Not reported

Revision: 4cc768a85467f6286a948c1d94253471fd13e1e2114cc9d73ad724df8c374188

Canonical: https://y2.dev/cve/CVE-2026-123748

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