CVE-2026-29059

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 2.6%, top 16% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Elevated
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 3%CVSS: 7.5Exploit: Elevated riskExposed: 0

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

Windmill is an open-source developer platform for internal code: APIs, background jobs, workflows and UIs. Prior to version 1.603.3, an unauthenticated path traversal vulnerability exists in Windmill's get_log_file endpoint "(/api/w/{workspace}/jobs_u/get_log_file/{filename})". The filename parameter is concatenated into a file path without sanitization, allowing an attacker to read arbitrary files on the server using ../ sequences. This issue has been patched in version 1.603.3.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
65(Attend)
EG Risk 65/100SSVC: 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
Severity75% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
3%
EPSS %ILE
84%
KEV
Not listed

Published

March 6, 2026

Last Modified

June 17, 2026

Advisory Details (3)

Auto-updated Jun 12, 2026
🔬 Proof of concept available. Patch available. Sources: github_release, github.
generic🟡 PoC Available

GitHub - Chocapikk/Windfall: Windfall - Unauthenticated RCE exploit chain for Windmill & Nextcloud Flow (CVE-2026-29059). Path traversal + credential leak + PostgreSQL heap dump + Nextcloud AppAPI takeover. · GitHub

https://github.com/Chocapikk/Windfall
github Patch Available

SUPERADMIN_SECRET (rarely used) can be accessed publicly on versions < 1.603.3 using RCE · Advisory · windmill-labs/windmill · GitHub

https://github.com/windmill-labs/windmill/security/advisories/GHSA-24fr-44f8-fqwg
github_release Patch Available

v1.603.3

Patch available: windmill-labs/windmill v1.603.3

https://github.com/windmill-labs/windmill/releases/tag/v1.603.3

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 8× in last 7d / 44× 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 119 total refreshes for this CVE.

  1. 2026-08-01 04:16 UTCEPSS rescore
  2. 2026-07-30 16:27 UTCEPSS rescore
  3. 2026-07-30 01:30 UTCEPSS rescore
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  12. 2026-07-23 03:08 UTCEG score recompute
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  15. 2026-07-21 15:24 UTCEPSS rescore
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  24. 2026-07-17 09:20 UTCOSV refresh
  25. 2026-07-16 17:03 UTCEPSS rescore
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  1. 2026-07-16 17:03 UTCEPSS rescore
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  21. 2026-06-30 23:22 UTCEPSS rescore
  22. 2026-06-29 14:06 UTCEPSS rescore
  23. 2026-06-29 08:02 UTCOSV refresh
  24. 2026-06-28 04:56 UTCEPSS rescore
  25. 2026-06-28 04:56 UTCEPSS rescore
  26. 2026-06-27 03:08 UTCEPSS rescore
  27. 2026-06-25 13:49 UTCEPSS rescore
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  29. 2026-06-24 14:05 UTCEPSS rescore
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  42. 2026-06-14 23:18 UTCEPSS rescore
  43. 2026-06-13 23:00 UTCEPSS rescore
  44. 2026-06-12 23:12 UTCEPSS rescore
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  46. 2026-06-11 14:00 UTCEPSS rescore
  47. 2026-06-10 22:18 UTCEPSS rescore
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  49. 2026-06-10 13:22 UTCEPSS rescore
  50. 2026-06-07 15:25 UTCEPSS rescore
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  53. 2026-06-06 13:47 UTCEPSS rescore
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  59. 2026-06-04 13:12 UTCEPSS rescore
  60. 2026-06-04 13:12 UTCEPSS rescore
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  63. 2026-06-01 13:51 UTCEPSS rescore
  64. 2026-06-01 13:51 UTCEPSS rescore
  65. 2026-06-01 10:43 UTCOSV refresh
  66. 2026-05-31 22:30 UTCEPSS rescore
  67. 2026-05-31 22:30 UTCEPSS rescore
  68. 2026-05-31 00:16 UTCEPSS rescore
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  70. 2026-05-29 13:44 UTCEPSS rescore
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  75. 2026-05-27 13:40 UTCEPSS rescore

Publicly available exploits

(1 reference)

Working exploit code is in the public domain. Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Nucleihttp/cves/2026/CVE-2026-29059.yaml
    First seen Jan 1, 2026

    Windmill/Nextcloud Flow < 1.603.3 - Unauthenticated Path Traversal

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-29059?
CVE-2026-29059 is a high vulnerability published on March 6, 2026. Windmill is an open-source developer platform for internal code: APIs, background jobs, workflows and UIs. Prior to version 1.603.3, an unauthenticated path traversal vulnerability exists in Windmill's getlogfile endpoint "(/api/w/{workspace}/jobsu/getlog_file/{filename})". The filename parameter…
When was CVE-2026-29059 disclosed?
CVE-2026-29059 was first published in the National Vulnerability Database on March 6, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-29059 actively exploited?
CVE-2026-29059 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3% probability of exploitation in the next 30 days, which ranks it in the top 16.1% of all scored CVEs.
What is the CVSS score of CVE-2026-29059?
CVE-2026-29059 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-29059?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-29059, 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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