CVE-2026-76761

HIGHPre-NVD 7.37.3—
EchelonGraph scoreHIGH confidence

Score 7.3 from GitHub Security Advisory published 2026-08-20. a secondary CVSS source baseline 7.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this weekElevated
7.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 2%CVSS: 7.3Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A vulnerability was identified in chenhg5 cc-connect up to 1.4.1. This affects the function shellExecCommand of the file core/engine.go of the component Management API. Such manipulation of the argument exec leads to os command injection. It is possible to launch the attack remotely. The exploit is publicly available and might be used. The reported GitHub issue was closed automatically due to inactivity.

CVSS v3
7.3
EG Score
7.3(high)
EG Risk
64(Attend)
EG Risk 64/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity73% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
2%
EPSS %ILE
74%
KEV
Not listed

Published

August 19, 2026

Last Modified

August 20, 2026

Advisory Details (2)

Auto-updated Aug 19, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

GitHub - chenhg5/cc-connect: Bridge local AI coding agents (Claude Code, Cursor, Gemini CLI, Codex) to messaging platforms (Feishu/Lark, DingTalk, Slack, Telegram, Discord, LINE, WeChat Work). Chat with your AI dev assistant from anywhere — no public IP required for most platforms. · GitHub

https://github.com/chenhg5/cc-connect/
generic🟡 PoC Available

CVE: Management API Unauthenticated Remote Command Execution · Issue #1489 · chenhg5/cc-connect · GitHub

https://github.com/chenhg5/cc-connect/issues/1489

Vendor Advisories for CVE-2026-76761(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 16× in last 7d / 16× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-08-21 04:23 UTCEG score recompute
  2. 2026-08-21 04:23 UTCGHSA enrichment
  3. 2026-08-20 22:56 UTCEPSS rescore
  4. 2026-08-20 16:34 UTCEG score recompute
  5. 2026-08-20 16:34 UTCGHSA enrichment
  6. 2026-08-20 16:30 UTCNVD updateCVSS v4 → 5.5
  7. 2026-08-20 15:27 UTCEG score recompute
  8. 2026-08-20 15:27 UTCGHSA enrichment
  9. 2026-08-20 15:26 UTCMITRE cvelistV5CVSS v4 → 6.9
  10. 2026-08-20 12:50 UTCGHSA enrichment
  11. 2026-08-20 11:08 UTCEG score recompute
  12. 2026-08-20 11:08 UTCGHSA enrichment
  13. 2026-08-19 23:20 UTCEG score recompute
  14. 2026-08-19 23:19 UTCNVD updateCVSS v4 → 5.5
  15. 2026-08-19 23:04 UTCEG score recompute
  16. 2026-08-19 23:02 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-76761?
CVE-2026-76761 is a high vulnerability published on August 19, 2026. A vulnerability was identified in chenhg5 cc-connect up to 1.4.1. This affects the function shellExecCommand of the file core/engine.go of the component Management API. Such manipulation of the argument exec leads to os command injection. It is possible to launch the attack remotely. The exploit is…
When was CVE-2026-76761 disclosed?
CVE-2026-76761 was first published in the National Vulnerability Database on August 19, 2026, with the most recent update on August 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-76761 actively exploited?
CVE-2026-76761 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2% probability of exploitation in the next 30 days, which ranks it in the top 26.4% of all scored CVEs.
What is the CVSS score of CVE-2026-76761?
CVE-2026-76761 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2026-76761?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-76761, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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