CVE-2026-16123

MEDIUMPre-NVD 6.36.3—
EchelonGraph scoreHIGH confidence

Score 6.3 from GitHub Security Advisory (severity: LOW) published 2026-07-18. a secondary CVSS source baseline 6.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
6.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.3Exploit: Elevated riskExposed: 0

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

A weakness has been identified in nextlevelbuilder GoClaw up to 3.13.2. Affected by this issue is the function ToolsInvokeHandler.ServeHTTP of the file internal/http/tools_invoke.go of the component Invoke Endpoint. This manipulation causes missing authorization. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.

CVSS v3
6.3
EG Score
6.3(high)
EG Risk
44(Track)
EG Risk 44/100SSVC: Track

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
Severity63% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
11%
KEV
Not listed

Published

July 18, 2026

Last Modified

July 22, 2026

Advisory Details (3)

Auto-updated Jul 18, 2026
No patch confirmed yet.
generic

[Security] Cross-Agent Authorization Bypass in `/v1/tools/invoke` Allows Unauthorized Cron Binding to Foreign Agents · Issue #1217 · nextlevelbuilder/goclaw · GitHub

https://github.com/nextlevelbuilder/goclaw/issues/1217#issuecomment-4759982122
generic

[Security] Cross-Agent Authorization Bypass in `/v1/tools/invoke` Allows Unauthorized Cron Binding to Foreign Agents · Issue #1217 · nextlevelbuilder/goclaw · GitHub

https://github.com/nextlevelbuilder/goclaw/issues/1217
generic

GitHub - nextlevelbuilder/goclaw: GoClaw - GoClaw is OpenClaw rebuilt in Go — with multi-tenant isolation, 5-layer security, and native concurrency. Deploy AI agent teams at scale without compromising on safety. · GitHub

https://github.com/nextlevelbuilder/goclaw/

Vendor Advisories for CVE-2026-16123(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 18× in last 7d / 34× 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. 2026-07-30 11:10 UTCEG score recompute
  2. 2026-07-30 11:09 UTCGHSA enrichment
  3. 2026-07-30 01:30 UTCEPSS rescore
  4. 2026-07-29 11:12 UTCEG score recompute
  5. 2026-07-29 11:12 UTCGHSA enrichment
  6. 2026-07-28 11:15 UTCEG score recompute
  7. 2026-07-28 11:14 UTCGHSA enrichment
  8. 2026-07-27 14:13 UTCEPSS rescore
  9. 2026-07-27 11:13 UTCEG score recompute
  10. 2026-07-27 11:13 UTCGHSA enrichment
  11. 2026-07-26 14:54 UTCEPSS rescore
  12. 2026-07-26 14:54 UTCEPSS rescore
  13. 2026-07-26 11:16 UTCEG score recompute
  14. 2026-07-26 11:16 UTCGHSA enrichment
  15. 2026-07-25 14:17 UTCEPSS rescore
  16. 2026-07-25 14:17 UTCEPSS rescore
  17. 2026-07-24 14:17 UTCEPSS rescore
  18. 2026-07-23 14:18 UTCEPSS rescore
  19. 2026-07-23 03:05 UTCEG score recompute
  20. 2026-07-22 23:57 UTCEG score recompute
  21. 2026-07-22 23:57 UTCGHSA enrichment
  22. 2026-07-22 16:51 UTCNVD updateCVSS v4 → 2.1
  23. 2026-07-22 16:00 UTCMITRE cvelistV5CVSS v4 → 5.3
  24. 2026-07-22 14:08 UTCEPSS rescore
  25. 2026-07-21 15:24 UTCEPSS rescore
Show 9 more
  1. 2026-07-20 17:52 UTCEG score recompute
  2. 2026-07-20 17:52 UTCGHSA enrichment
  3. 2026-07-20 17:08 UTCEPSS rescore
  4. 2026-07-19 14:30 UTCEPSS rescore
  5. 2026-07-18 16:05 UTCEG score recompute
  6. 2026-07-18 16:05 UTCGHSA enrichment
  7. 2026-07-18 16:03 UTCNVD updateCVSS v4 → 2.1
  8. 2026-07-18 15:00 UTCEG score recompute
  9. 2026-07-18 14:59 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-16123?
CVE-2026-16123 is a medium vulnerability published on July 18, 2026. A weakness has been identified in nextlevelbuilder GoClaw up to 3.13.2. Affected by this issue is the function ToolsInvokeHandler.ServeHTTP of the file internal/http/tools_invoke.go of the component Invoke Endpoint. This manipulation causes missing authorization. The attack can be initiated…
When was CVE-2026-16123 disclosed?
CVE-2026-16123 was first published in the National Vulnerability Database on July 18, 2026, with the most recent update on July 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16123 actively exploited?
CVE-2026-16123 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 88.7% of all scored CVEs.
What is the CVSS score of CVE-2026-16123?
CVE-2026-16123 has a CVSS v3 base score of 6.3 (NVD).
How do I remediate CVE-2026-16123?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16123, 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

Explore the affected products and dependency analysis for CVE-2026-16123

Explore →

Is Your Infrastructure Affected by CVE-2026-16123?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs