CVE-2026-16121

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 — 5 sources updated this weekElevated
6.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.3Exploit: NoneExposed: 0

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

A vulnerability was identified in nextlevelbuilder GoClaw up to 3.13.2. Affected is the function isSafeBin of the file internal/tools/exec_approval.go. The manipulation leads to improper authorization. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.

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
11.2%
KEV
Not listed

Published

July 18, 2026

Last Modified

July 20, 2026

Advisory Details (3)

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

[Security] GoClaw `execApproval` Safe-Bin Trust Allows `sort -o` File Writes Without Human Approval · Issue #1214 · nextlevelbuilder/goclaw · GitHub

https://github.com/nextlevelbuilder/goclaw/issues/1214
generic

[Security] GoClaw `execApproval` Safe-Bin Classification Bypasses Human Approval for `sort -o` File Writes and `grep -R` Recursive Reads · Issue #1206 · nextlevelbuilder/goclaw · GitHub

https://github.com/nextlevelbuilder/goclaw/issues/1206
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-2026-16121(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 15× in last 7d / 15× 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. 2026-07-23 14:18 UTCEPSS rescore
  2. 2026-07-23 03:05 UTCEG score recompute
  3. 2026-07-22 14:08 UTCEPSS rescore
  4. 2026-07-21 15:24 UTCEPSS rescore
  5. 2026-07-20 17:52 UTCEG score recompute
  6. 2026-07-20 17:52 UTCGHSA enrichment
  7. 2026-07-20 17:08 UTCEPSS rescore
  8. 2026-07-20 16:36 UTCNVD updateCVSS v4 → 2.1
  9. 2026-07-20 15:22 UTCMITRE cvelistV5CVSS v4 → 5.3
  10. 2026-07-19 14:30 UTCEPSS rescore
  11. 2026-07-18 16:05 UTCEG score recompute
  12. 2026-07-18 16:05 UTCGHSA enrichment
  13. 2026-07-18 16:03 UTCNVD updateCVSS v4 → 2.1
  14. 2026-07-18 14:34 UTCEG score recompute
  15. 2026-07-18 14:34 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-16121?
CVE-2026-16121 is a medium vulnerability published on July 18, 2026. A vulnerability was identified in nextlevelbuilder GoClaw up to 3.13.2. Affected is the function isSafeBin of the file internal/tools/exec_approval.go. The manipulation leads to improper authorization. It is possible to initiate the attack remotely. The exploit is publicly available and might be…
When was CVE-2026-16121 disclosed?
CVE-2026-16121 was first published in the National Vulnerability Database on July 18, 2026, with the most recent update on July 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16121 actively exploited?
CVE-2026-16121 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 11.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-16121?
CVE-2026-16121 has a CVSS v3 base score of 6.3 (NVD).
How do I remediate CVE-2026-16121?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16121, 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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