CVE-2026-85690

HIGHPre-NVD 7.87.8—
EchelonGraph scoreHIGH confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-09-04. a secondary CVSS source baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.8Exploit: None knownExposed: 0

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

Plandex 2.2.1 contains a path traversal vulnerability in the ApplyFiles function that allows attackers to write files outside the project directory. Attackers can influence model output through poisoned repository files or attacker-controlled context to write to arbitrary locations like shell rc or cron files, achieving code execution.

CVSS v3
7.8
EG Score
7.8(high)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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
Severity78% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
9%
KEV
Not listed

Published

September 4, 2026

Last Modified

September 23, 2026

Advisory Details (4)

Auto-updated Sep 4, 2026
No patch confirmed yet.
generic

Plandex 2.2.1 Path Traversal via ApplyFiles | Advisories | VulnCheck

https://www.vulncheck.com/advisories/plandex-2.2.1-path-traversal-via-applyfiles
generic

plandex/app/cli/lib/apply.go at cli/v2.2.1 · plandex-ai/plandex · GitHub

https://github.com/plandex-ai/plandex/blob/cli/v2.2.1/app/cli/lib/apply.go
generic

GitHub - plandex-ai/plandex: Open source AI coding agent. Designed for large projects and real world tasks. · GitHub

https://github.com/plandex-ai/plandex
generic

Path traversal in apply-changes writes files outside the project directory (model-controlled path) · Issue #352 · plandex-ai/plandex · GitHub

https://github.com/plandex-ai/plandex/issues/352

Vendor Advisories for CVE-2026-85690(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 27× in last 7d / 80× 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. 2026-09-25 06:47 UTCGHSA enrichment
  2. 2026-09-24 18:25 UTCEG score recompute
  3. 2026-09-24 18:25 UTCGHSA enrichment
  4. 2026-09-24 14:04 UTCEPSS rescore
  5. 2026-09-24 05:45 UTCEG score recompute
  6. 2026-09-24 05:45 UTCGHSA enrichment
  7. 2026-09-23 17:54 UTCEPSS rescore
  8. 2026-09-23 17:23 UTCGHSA enrichment
  9. 2026-09-23 13:06 UTCGHSA enrichment
  10. 2026-09-23 00:44 UTCEG score recompute
  11. 2026-09-23 00:44 UTCGHSA enrichment
  12. 2026-09-22 16:01 UTCEPSS rescore
  13. 2026-09-22 12:23 UTCGHSA enrichment
  14. 2026-09-22 00:00 UTCEG score recompute
  15. 2026-09-22 00:00 UTCGHSA enrichment
  16. 2026-09-21 21:09 UTCEPSS rescore
  17. 2026-09-21 11:39 UTCGHSA enrichment
  18. 2026-09-20 23:17 UTCEG score recompute
  19. 2026-09-20 23:17 UTCGHSA enrichment
  20. 2026-09-20 20:16 UTCEPSS rescore
  21. 2026-09-20 10:41 UTCGHSA enrichment
  22. 2026-09-19 22:19 UTCEG score recompute
  23. 2026-09-19 22:19 UTCGHSA enrichment
  24. 2026-09-19 09:55 UTCGHSA enrichment
  25. 2026-09-18 21:22 UTCEG score recompute
Show 55 more
  1. 2026-09-18 21:22 UTCGHSA enrichment
  2. 2026-09-18 19:28 UTCEPSS rescore
  3. 2026-09-18 08:45 UTCGHSA enrichment
  4. 2026-09-17 20:23 UTCEG score recompute
  5. 2026-09-17 20:23 UTCGHSA enrichment
  6. 2026-09-17 19:32 UTCEPSS rescore
  7. 2026-09-17 06:50 UTCGHSA enrichment
  8. 2026-09-16 18:28 UTCEG score recompute
  9. 2026-09-16 18:28 UTCGHSA enrichment
  10. 2026-09-16 14:09 UTCEPSS rescore
  11. 2026-09-16 05:15 UTCEPSS rescore
  12. 2026-09-16 04:28 UTCGHSA enrichment
  13. 2026-09-15 15:47 UTCGHSA enrichment
  14. 2026-09-15 03:26 UTCEG score recompute
  15. 2026-09-15 03:25 UTCGHSA enrichment
  16. 2026-09-15 03:12 UTCEPSS rescore
  17. 2026-09-15 03:12 UTCEPSS rescore
  18. 2026-09-14 15:04 UTCGHSA enrichment
  19. 2026-09-14 02:42 UTCEG score recompute
  20. 2026-09-14 02:42 UTCGHSA enrichment
  21. 2026-09-13 14:20 UTCGHSA enrichment
  22. 2026-09-13 01:59 UTCEG score recompute
  23. 2026-09-13 01:58 UTCGHSA enrichment
  24. 2026-09-12 13:37 UTCGHSA enrichment
  25. 2026-09-12 01:16 UTCEG score recompute
  26. 2026-09-12 01:16 UTCGHSA enrichment
  27. 2026-09-11 14:53 UTCEPSS rescore
  28. 2026-09-11 14:53 UTCEPSS rescore
  29. 2026-09-11 12:54 UTCEG score recompute
  30. 2026-09-11 12:54 UTCGHSA enrichment
  31. 2026-09-11 00:32 UTCGHSA enrichment
  32. 2026-09-10 12:10 UTCEG score recompute
  33. 2026-09-10 12:10 UTCGHSA enrichment
  34. 2026-09-09 23:48 UTCGHSA enrichment
  35. 2026-09-09 11:26 UTCGHSA enrichment
  36. 2026-09-08 23:04 UTCEG score recompute
  37. 2026-09-08 23:04 UTCGHSA enrichment
  38. 2026-09-08 22:01 UTCEPSS rescore
  39. 2026-09-08 07:06 UTCGHSA enrichment
  40. 2026-09-07 18:40 UTCEG score recompute
  41. 2026-09-07 18:40 UTCGHSA enrichment
  42. 2026-09-07 06:18 UTCGHSA enrichment
  43. 2026-09-06 17:55 UTCEG score recompute
  44. 2026-09-06 17:55 UTCGHSA enrichment
  45. 2026-09-06 13:48 UTCEPSS rescore
  46. 2026-09-06 05:33 UTCGHSA enrichment
  47. 2026-09-05 17:12 UTCEG score recompute
  48. 2026-09-05 17:11 UTCGHSA enrichment
  49. 2026-09-05 15:31 UTCEPSS rescore
  50. 2026-09-05 04:50 UTCGHSA enrichment
  51. 2026-09-04 16:28 UTCEG score recompute
  52. 2026-09-04 16:28 UTCGHSA enrichment
  53. 2026-09-04 15:22 UTCEG score recompute
  54. 2026-09-04 14:45 UTCEG score recompute
  55. 2026-09-04 14:44 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-85690?
CVE-2026-85690 is a high vulnerability published on September 4, 2026. Plandex 2.2.1 contains a path traversal vulnerability in the ApplyFiles function that allows attackers to write files outside the project directory. Attackers can influence model output through poisoned repository files or attacker-controlled context to write to arbitrary locations like shell rc or…
When was CVE-2026-85690 disclosed?
CVE-2026-85690 was first published in the National Vulnerability Database on September 4, 2026, with the most recent update on September 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-85690 actively exploited?
CVE-2026-85690 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 91.0% of all scored CVEs.
What is the CVSS score of CVE-2026-85690?
CVE-2026-85690 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-85690?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-85690, 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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