CVE-2026-85684

CRITICALPre-NVD 9.19.1—
EchelonGraph scoreHIGH confidence

Score 9.1 from GitHub Security Advisory (severity: HIGH) published 2026-09-04. a secondary CVSS source baseline 9.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
9.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.1Exploit: Elevated riskExposed: 0

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

marker through 2.0.0 contains a path traversal vulnerability in the FastAPI /marker/upload handler that fails to sanitize the file.filename parameter. Unauthenticated attackers can supply filenames containing directory traversal sequences to write arbitrary files to any location or delete existing files on the system.

CVSS v3
9.1
EG Score
9.1(high)
EG Risk
72(Attend)
EG Risk 72/100SSVC: 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
Severity91% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
1%
EPSS %ILE
50%
KEV
Not listed

Published

September 4, 2026

Last Modified

September 8, 2026

Advisory Details (4)

Auto-updated Sep 15, 2026
No patch confirmed yet.
generic

Unauthenticated path traversal arbitrary file write/overwrite via upload filename in the marker server · Issue #1047 · datalab-to/marker · GitHub

https://github.com/datalab-to/marker/issues/1047
generic

marker through 2.0.0 Path Traversal via upload filename | Advisories | VulnCheck

https://www.vulncheck.com/advisories/marker-through-2.0.0-path-traversal-via-upload-filename
generic

marker/marker/scripts/server.py at v2.0.0 · datalab-to/marker · GitHub

https://github.com/datalab-to/marker/blob/v2.0.0/marker/scripts/server.py
generic

GitHub - datalab-to/marker: Convert PDF to markdown + JSON quickly with high accuracy · GitHub

https://github.com/datalab-to/marker

Vendor Advisories for CVE-2026-85684(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 57× in last 7d / 128× 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 128 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-85684?
CVE-2026-85684 is a critical vulnerability published on September 4, 2026. marker through 2.0.0 contains a path traversal vulnerability in the FastAPI /marker/upload handler that fails to sanitize the file.filename parameter. Unauthenticated attackers can supply filenames containing directory traversal sequences to write arbitrary files to any location or delete existing…
When was CVE-2026-85684 disclosed?
CVE-2026-85684 was first published in the National Vulnerability Database on September 4, 2026, with the most recent update on September 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-85684 actively exploited?
CVE-2026-85684 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 50.0% of all scored CVEs.
What is the CVSS score of CVE-2026-85684?
CVE-2026-85684 has a CVSS v3 base score of 9.1 (NVD).
How do I remediate CVE-2026-85684?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-85684, 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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