CVE-2026-17433

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreHIGH confidence

Score 5.3 from GitHub Security Advisory (severity: LOW) published 2026-07-26. a secondary CVSS source baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this week
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.3Exploit: None knownExposed: 0

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

A vulnerability was detected in nanocoai NanoClaw up to 2.0.64. This impacts the function createChatSdkBridge.setup of the file src/channels/chat-sdk-bridge.ts of the component MCP Server Approval. Performing a manipulation results in improper authorization. The attack needs to be approached locally. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

CVSS v3
5.3
EG Score
5.3(high)
EG Risk
28(Track)
EG Risk 28/100SSVC: 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
Severity53% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
1%
KEV
Not listed

Published

July 26, 2026

Last Modified

July 26, 2026

Advisory Details (2)

Auto-updated Jul 26, 2026
No patch confirmed yet.
generic

GitHub - nanocoai/nanoclaw: A lightweight alternative to OpenClaw that runs in containers for security. Connects to WhatsApp, Telegram, Slack, Discord, Gmail and other messaging apps,, has memory, scheduled jobs, and runs directly on Anthropic's Agents SDK · GitHub

https://github.com/nanocoai/nanoclaw/
generic

[Security] Local gateway approval bypass via unauthenticated loopback webhook · Issue #2761 · nanocoai/nanoclaw · GitHub

https://github.com/nanocoai/nanoclaw/issues/2761

Vendor Advisories for CVE-2026-17433(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 8× in last 7d / 8× 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. 2026-07-27 03:41 UTCEG score recompute
  2. 2026-07-27 03:41 UTCGHSA enrichment
  3. 2026-07-26 14:54 UTCEPSS rescore
  4. 2026-07-26 14:54 UTCEPSS rescore
  5. 2026-07-26 03:21 UTCEG score recompute
  6. 2026-07-26 03:18 UTCNVD updateCVSS v4 → 1.9
  7. 2026-07-26 02:36 UTCEG score recompute
  8. 2026-07-26 02:33 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-17433?
CVE-2026-17433 is a medium vulnerability published on July 26, 2026. A vulnerability was detected in nanocoai NanoClaw up to 2.0.64. This impacts the function createChatSdkBridge.setup of the file src/channels/chat-sdk-bridge.ts of the component MCP Server Approval. Performing a manipulation results in improper authorization. The attack needs to be approached…
When was CVE-2026-17433 disclosed?
CVE-2026-17433 was first published in the National Vulnerability Database on July 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-17433 actively exploited?
CVE-2026-17433 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 98.8% of all scored CVEs.
What is the CVSS score of CVE-2026-17433?
CVE-2026-17433 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-17433?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-17433, 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-2026-17433

Explore →

Is Your Infrastructure Affected by CVE-2026-17433?

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

Start Free Scan →Browse All CVEs