CVE-2026-17433

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreMEDIUM 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 — 3 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(medium)
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 27, 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 15× in last 7d / 62× 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.

Showing the most recent 100 of 122 total refreshes for this CVE.

  1. 2026-09-14 17:17 UTCGHSA enrichment
  2. 2026-09-13 16:58 UTCEG score recompute
  3. 2026-09-13 16:58 UTCGHSA enrichment
  4. 2026-09-13 16:46 UTCEPSS rescore
  5. 2026-09-12 16:39 UTCEG score recompute
  6. 2026-09-12 16:39 UTCGHSA enrichment
  7. 2026-09-12 15:00 UTCEPSS rescore
  8. 2026-09-11 16:20 UTCEG score recompute
  9. 2026-09-11 16:20 UTCGHSA enrichment
  10. 2026-09-11 14:52 UTCEPSS rescore
  11. 2026-09-10 10:23 UTCEG score recompute
  12. 2026-09-10 10:23 UTCGHSA enrichment
  13. 2026-09-10 09:34 UTCEPSS rescore
  14. 2026-09-09 08:28 UTCEG score recompute
  15. 2026-09-09 08:28 UTCGHSA enrichment
  16. 2026-09-08 22:00 UTCEPSS rescore
  17. 2026-09-08 00:19 UTCGHSA enrichment
  18. 2026-09-06 23:59 UTCEG score recompute
  19. 2026-09-06 23:59 UTCGHSA enrichment
  20. 2026-09-06 13:47 UTCEPSS rescore
  21. 2026-09-05 19:17 UTCEG score recompute
  22. 2026-09-05 19:17 UTCGHSA enrichment
  23. 2026-09-04 12:37 UTCEG score recompute
  24. 2026-09-04 12:37 UTCGHSA enrichment
  25. 2026-09-04 05:06 UTCEPSS rescore
Show 75 more
  1. 2026-09-02 14:11 UTCEPSS rescore
  2. 2026-09-01 23:06 UTCEG score recompute
  3. 2026-09-01 23:06 UTCGHSA enrichment
  4. 2026-09-01 13:53 UTCEPSS rescore
  5. 2026-09-01 04:39 UTCEPSS rescore
  6. 2026-08-31 00:18 UTCEG score recompute
  7. 2026-08-31 00:18 UTCGHSA enrichment
  8. 2026-08-30 19:17 UTCEPSS rescore
  9. 2026-08-30 01:22 UTCEPSS rescore
  10. 2026-08-29 23:59 UTCEG score recompute
  11. 2026-08-29 23:59 UTCGHSA enrichment
  12. 2026-08-28 21:41 UTCEPSS rescore
  13. 2026-08-27 14:25 UTCEPSS rescore
  14. 2026-08-27 09:53 UTCEG score recompute
  15. 2026-08-27 09:53 UTCGHSA enrichment
  16. 2026-08-26 14:46 UTCEPSS rescore
  17. 2026-08-26 07:47 UTCGHSA enrichment
  18. 2026-08-25 07:19 UTCEG score recompute
  19. 2026-08-25 07:19 UTCGHSA enrichment
  20. 2026-08-24 06:58 UTCGHSA enrichment
  21. 2026-08-23 06:38 UTCGHSA enrichment
  22. 2026-08-22 06:19 UTCEG score recompute
  23. 2026-08-22 06:19 UTCGHSA enrichment
  24. 2026-08-21 23:49 UTCEPSS rescore
  25. 2026-08-21 06:00 UTCEG score recompute
  26. 2026-08-21 06:00 UTCGHSA enrichment
  27. 2026-08-20 22:55 UTCEPSS rescore
  28. 2026-08-20 05:41 UTCEG score recompute
  29. 2026-08-20 05:41 UTCGHSA enrichment
  30. 2026-08-19 17:03 UTCEPSS rescore
  31. 2026-08-19 05:22 UTCEG score recompute
  32. 2026-08-19 05:22 UTCGHSA enrichment
  33. 2026-08-18 13:48 UTCEPSS rescore
  34. 2026-08-18 04:40 UTCEG score recompute
  35. 2026-08-18 04:40 UTCGHSA enrichment
  36. 2026-08-17 13:47 UTCEPSS rescore
  37. 2026-08-17 04:20 UTCGHSA enrichment
  38. 2026-08-16 04:01 UTCEG score recompute
  39. 2026-08-16 04:01 UTCGHSA enrichment
  40. 2026-08-16 02:14 UTCEPSS rescore
  41. 2026-08-15 03:42 UTCEG score recompute
  42. 2026-08-15 03:42 UTCGHSA enrichment
  43. 2026-08-15 01:30 UTCEPSS rescore
  44. 2026-08-14 03:22 UTCEG score recompute
  45. 2026-08-14 03:22 UTCGHSA enrichment
  46. 2026-08-13 22:00 UTCEPSS rescore
  47. 2026-08-13 03:03 UTCEG score recompute
  48. 2026-08-13 03:03 UTCGHSA enrichment
  49. 2026-08-12 13:50 UTCEPSS rescore
  50. 2026-08-12 02:44 UTCEG score recompute
  51. 2026-08-12 02:44 UTCGHSA enrichment
  52. 2026-08-11 13:42 UTCEPSS rescore
  53. 2026-08-11 02:25 UTCEG score recompute
  54. 2026-08-11 02:25 UTCGHSA enrichment
  55. 2026-08-11 00:00 UTCEPSS rescore
  56. 2026-08-10 02:07 UTCEG score recompute
  57. 2026-08-10 02:07 UTCGHSA enrichment
  58. 2026-08-09 13:46 UTCEPSS rescore
  59. 2026-08-09 01:48 UTCEG score recompute
  60. 2026-08-09 01:48 UTCGHSA enrichment
  61. 2026-08-08 16:37 UTCEPSS rescore
  62. 2026-08-08 01:29 UTCEG score recompute
  63. 2026-08-08 01:29 UTCGHSA enrichment
  64. 2026-08-07 01:10 UTCGHSA enrichment
  65. 2026-08-06 00:51 UTCEG score recompute
  66. 2026-08-06 00:51 UTCGHSA enrichment
  67. 2026-08-05 19:17 UTCEPSS rescore
  68. 2026-08-05 00:33 UTCEG score recompute
  69. 2026-08-05 00:32 UTCGHSA enrichment
  70. 2026-08-04 15:10 UTCEPSS rescore
  71. 2026-08-04 10:38 UTCEPSS rescore
  72. 2026-08-04 00:09 UTCEG score recompute
  73. 2026-08-04 00:08 UTCGHSA enrichment
  74. 2026-08-03 10:35 UTCEPSS rescore
  75. 2026-08-02 23:49 UTCGHSA enrichment

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, with the most recent update on July 27, 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 98.9% 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.

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