CVE-2026-16126

HIGHPre-NVD 7.37.3—
EchelonGraph scoreHIGH confidence

Score 7.3 from GitHub Security Advisory published 2026-07-18. 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
7.3
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.3Exploit: NoneExposed: 0

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

A vulnerability was determined in zevorn rt-claw up to 0.2.0. The impacted element is the function handle_rpc_request of the file claw/services/swarm/swarm.c of the component Swarm RPC Receiver. This manipulation causes incorrect authorization. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

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
22.0%
KEV
Not listed

Published

July 18, 2026

Last Modified

July 20, 2026

Advisory Details (3)

Auto-updated Jul 18, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

GitHub - zevorn/rt-claw: Making AI Assistants Cheap Again! · GitHub

https://github.com/zevorn/rt-claw/
generic

[Security] rt-claw swarm RPC receiver allows unauthenticated invocation of local-only tools in unreleased post-v0.2.0 builds · Issue #137 · zevorn/rt-claw · GitHub

https://github.com/zevorn/rt-claw/issues/137
generic🟡 PoC Available

[Security] Unauthenticated swarm RPC can invoke `CLAW_TOOL_LOCAL_ONLY` memory tools on Linux nodes · Issue #135 · zevorn/rt-claw · GitHub

https://github.com/zevorn/rt-claw/issues/135

Vendor Advisories for CVE-2026-16126(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 19× in last 7d / 19× 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. 2026-07-25 14:17 UTCEPSS rescore
  2. 2026-07-25 14:17 UTCEPSS rescore
  3. 2026-07-24 14:17 UTCEPSS rescore
  4. 2026-07-23 14:18 UTCEPSS rescore
  5. 2026-07-23 03:05 UTCEG score recompute
  6. 2026-07-22 23:57 UTCEG score recompute
  7. 2026-07-22 23:57 UTCGHSA enrichment
  8. 2026-07-22 14:08 UTCEPSS rescore
  9. 2026-07-21 15:24 UTCEPSS rescore
  10. 2026-07-20 20:41 UTCNVD updateCVSS v4 → 5.5
  11. 2026-07-20 19:12 UTCMITRE cvelistV5CVSS v4 → 6.9
  12. 2026-07-20 17:52 UTCEG score recompute
  13. 2026-07-20 17:52 UTCGHSA enrichment
  14. 2026-07-20 17:08 UTCEPSS rescore
  15. 2026-07-19 14:30 UTCEPSS rescore
  16. 2026-07-18 18:07 UTCEG score recompute
  17. 2026-07-18 18:04 UTCNVD updateCVSS v4 → 5.5
  18. 2026-07-18 16:05 UTCEG score recompute
  19. 2026-07-18 16:04 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-16126?
CVE-2026-16126 is a high vulnerability published on July 18, 2026. A vulnerability was determined in zevorn rt-claw up to 0.2.0. The impacted element is the function handlerpcrequest of the file claw/services/swarm/swarm.c of the component Swarm RPC Receiver. This manipulation causes incorrect authorization. The attack is possible to be carried out remotely. The…
When was CVE-2026-16126 disclosed?
CVE-2026-16126 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-2026-16126 actively exploited?
CVE-2026-16126 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 22.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-16126?
CVE-2026-16126 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2026-16126?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16126, 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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