CVE-2026-77080

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-08-20. NVD baseline CVSS 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.6%CVSS: 8.8Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

n8n before 1.123.69, 2.x before 2.33.4, and 2.34.x before 2.34.1 contain an arbitrary file read and write vulnerability in the Snowflake node, which passes free-form Execute Query input, including client-side commands, directly to the Snowflake SDK without applying n8n's file-access restrictions. An authenticated user with usable Snowflake credentials can upload a local file from the n8n host or overwrite an existing file with a staged one.

CVSS v3
8.8
EG Score
8.8HIGHmedium confidence
EG Risk
40
EG Risk 40/100CISA SSVC

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
Severity88% × 45%
Exploitation1% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.6%
EPSS %ILE
45th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 20, 2026

Last Modified

September 1, 2026

Advisory Details (2)

Auto-updated Aug 20, 2026
Patch available. Sources: github.
generic

n8n before 1.123.69 Arbitrary File Read and Write via Snowflake | Advisories | VulnCheck

https://www.vulncheck.com/advisories/n8n-before-arbitrary-file-read-and-write-via-snowflake
github Patch Available

Snowflake Node Arbitrary File Read and Write via Client-Side Commands · Advisory · n8n-io/n8n · GitHub

https://github.com/n8n-io/n8n/security/advisories/GHSA-r4j2-j3wm-q689

Vendor Advisories for CVE-2026-77080(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 23× in last 7d / 110× 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 185 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-77080?
CVE-2026-77080 is a high vulnerability published on August 20, 2026. n8n before 1.123.69, 2.x before 2.33.4, and 2.34.x before 2.34.1 contain an arbitrary file read and write vulnerability in the Snowflake node, which passes free-form Execute Query input, including client-side commands, directly to the Snowflake SDK without applying n8n's file-access restrictions.…
When was CVE-2026-77080 disclosed?
CVE-2026-77080 was first published on August 20, 2026, with the most recent update on September 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-77080 actively exploited?
CVE-2026-77080 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.6% probability of exploitation in the next 30 days (45th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-77080?
CVE-2026-77080 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-77080?
A fix for CVE-2026-77080 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-77080 are linked in the Vendor Advisories panel on this page.

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