CVE-2026-71805

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-09-10. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this weekElevated
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.8Exploit: Elevated riskExposed: 0

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

An arbitrary file upload and path traversal vulnerability exists in LZ-litchi 1.0.0. Unauthenticated remote attackers can upload arbitrary files and write them outside the intended storage directory via the directory parameter in POST /app-api/infra/file/upload.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
75(Attend)
EG Risk 75/100SSVC: 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
Severity98% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
30%
KEV
Not listed

Published

September 9, 2026

Last Modified

September 10, 2026

Advisory Details (1)

Auto-updated Sep 17, 2026
No patch confirmed yet.
generic

Unauthenticated Arbitrary File Upload and Path Traversal in File Controllers · Issue #9 · W000i/vuln · GitHub

https://github.com/W000i/vuln/issues/9

Vendor Advisories for CVE-2026-71805(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 56× in last 7d / 100× 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. 2026-09-21 14:04 UTCGHSA enrichment
  2. 2026-09-21 10:21 UTCGHSA enrichment
  3. 2026-09-21 06:38 UTCGHSA enrichment
  4. 2026-09-21 02:56 UTCGHSA enrichment
  5. 2026-09-20 23:14 UTCEG score recompute
  6. 2026-09-20 23:14 UTCGHSA enrichment
  7. 2026-09-20 20:16 UTCEPSS rescore
  8. 2026-09-20 19:18 UTCGHSA enrichment
  9. 2026-09-20 15:35 UTCGHSA enrichment
  10. 2026-09-20 11:52 UTCGHSA enrichment
  11. 2026-09-20 08:03 UTCGHSA enrichment
  12. 2026-09-20 04:21 UTCGHSA enrichment
  13. 2026-09-20 00:37 UTCGHSA enrichment
  14. 2026-09-19 20:55 UTCGHSA enrichment
  15. 2026-09-19 17:13 UTCEG score recompute
  16. 2026-09-19 17:12 UTCGHSA enrichment
  17. 2026-09-19 13:29 UTCGHSA enrichment
  18. 2026-09-19 09:47 UTCGHSA enrichment
  19. 2026-09-19 05:44 UTCGHSA enrichment
  20. 2026-09-19 02:01 UTCGHSA enrichment
  21. 2026-09-18 22:19 UTCEG score recompute
  22. 2026-09-18 22:18 UTCGHSA enrichment
  23. 2026-09-18 19:28 UTCEPSS rescore
  24. 2026-09-18 18:35 UTCGHSA enrichment
  25. 2026-09-18 14:50 UTCGHSA enrichment
Show 75 more
  1. 2026-09-18 11:08 UTCGHSA enrichment
  2. 2026-09-18 07:25 UTCGHSA enrichment
  3. 2026-09-18 03:42 UTCGHSA enrichment
  4. 2026-09-17 23:59 UTCGHSA enrichment
  5. 2026-09-17 20:16 UTCEG score recompute
  6. 2026-09-17 20:16 UTCGHSA enrichment
  7. 2026-09-17 13:00 UTCGHSA enrichment
  8. 2026-09-17 09:05 UTCGHSA enrichment
  9. 2026-09-17 05:22 UTCGHSA enrichment
  10. 2026-09-17 01:40 UTCGHSA enrichment
  11. 2026-09-16 21:57 UTCGHSA enrichment
  12. 2026-09-16 18:15 UTCEG score recompute
  13. 2026-09-16 18:15 UTCGHSA enrichment
  14. 2026-09-16 14:08 UTCEPSS rescore
  15. 2026-09-16 13:54 UTCGHSA enrichment
  16. 2026-09-16 09:50 UTCGHSA enrichment
  17. 2026-09-16 06:08 UTCEG score recompute
  18. 2026-09-16 06:08 UTCGHSA enrichment
  19. 2026-09-16 05:15 UTCEPSS rescore
  20. 2026-09-16 02:25 UTCGHSA enrichment
  21. 2026-09-15 22:41 UTCGHSA enrichment
  22. 2026-09-15 18:57 UTCGHSA enrichment
  23. 2026-09-15 15:14 UTCGHSA enrichment
  24. 2026-09-15 11:31 UTCGHSA enrichment
  25. 2026-09-15 07:48 UTCGHSA enrichment
  26. 2026-09-15 04:06 UTCEG score recompute
  27. 2026-09-15 04:05 UTCGHSA enrichment
  28. 2026-09-15 03:12 UTCEPSS rescore
  29. 2026-09-15 00:22 UTCGHSA enrichment
  30. 2026-09-14 20:39 UTCGHSA enrichment
  31. 2026-09-14 16:56 UTCGHSA enrichment
  32. 2026-09-14 13:13 UTCGHSA enrichment
  33. 2026-09-14 09:30 UTCGHSA enrichment
  34. 2026-09-14 05:48 UTCGHSA enrichment
  35. 2026-09-14 02:05 UTCGHSA enrichment
  36. 2026-09-13 22:22 UTCGHSA enrichment
  37. 2026-09-13 18:40 UTCEG score recompute
  38. 2026-09-13 18:40 UTCGHSA enrichment
  39. 2026-09-13 14:57 UTCGHSA enrichment
  40. 2026-09-13 11:15 UTCGHSA enrichment
  41. 2026-09-13 07:31 UTCGHSA enrichment
  42. 2026-09-13 03:49 UTCGHSA enrichment
  43. 2026-09-13 00:06 UTCGHSA enrichment
  44. 2026-09-12 20:23 UTCGHSA enrichment
  45. 2026-09-12 16:40 UTCEG score recompute
  46. 2026-09-12 16:40 UTCGHSA enrichment
  47. 2026-09-12 15:02 UTCEPSS rescore
  48. 2026-09-12 12:57 UTCGHSA enrichment
  49. 2026-09-12 09:14 UTCGHSA enrichment
  50. 2026-09-12 05:32 UTCGHSA enrichment
  51. 2026-09-12 01:49 UTCGHSA enrichment
  52. 2026-09-11 22:06 UTCGHSA enrichment
  53. 2026-09-11 18:24 UTCEG score recompute
  54. 2026-09-11 18:24 UTCGHSA enrichment
  55. 2026-09-11 14:53 UTCEPSS rescore
  56. 2026-09-11 14:41 UTCGHSA enrichment
  57. 2026-09-11 10:58 UTCEG score recompute
  58. 2026-09-11 10:58 UTCGHSA enrichment
  59. 2026-09-11 07:15 UTCGHSA enrichment
  60. 2026-09-11 03:32 UTCGHSA enrichment
  61. 2026-09-10 23:49 UTCGHSA enrichment
  62. 2026-09-10 20:07 UTCEG score recompute
  63. 2026-09-10 20:06 UTCGHSA enrichment
  64. 2026-09-10 16:20 UTCEG score recompute▲ 9.80
  65. 2026-09-10 16:20 UTCGHSA enrichment
  66. 2026-09-10 16:20 UTCNVD updateCVSS v3 → 9.8 · severity → CRITICAL
  67. 2026-09-10 15:58 UTCEG score recompute▼ 9.80
  68. 2026-09-10 15:58 UTCGHSA enrichment
  69. 2026-09-10 15:57 UTCNVD update
  70. 2026-09-10 15:30 UTCEG score recompute▲ 9.80
  71. 2026-09-10 15:30 UTCGHSA enrichment
  72. 2026-09-10 15:29 UTCMITRE cvelistV5CVSS v3 → 9.8 · severity → CRITICAL
  73. 2026-09-09 22:30 UTCNVD update
  74. 2026-09-09 21:41 UTCEG score recompute
  75. 2026-09-09 21:40 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-71805?
CVE-2026-71805 is a critical vulnerability published on September 9, 2026. An arbitrary file upload and path traversal vulnerability exists in LZ-litchi 1.0.0. Unauthenticated remote attackers can upload arbitrary files and write them outside the intended storage directory via the directory parameter in POST /app-api/infra/file/upload.
When was CVE-2026-71805 disclosed?
CVE-2026-71805 was first published in the National Vulnerability Database on September 9, 2026, with the most recent update on September 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-71805 actively exploited?
CVE-2026-71805 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 70.1% of all scored CVEs.
What is the CVSS score of CVE-2026-71805?
CVE-2026-71805 has a CVSS v3.1 base score of 9.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-71805?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-71805, 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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