CVE-2026-42360

MEDIUMNVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2026-06-01. NVD baseline CVSS 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.5Exploit: NoneExposed: 0

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

A bug in Apache Airflow's rendered-template field handling caused nested sensitive-key masking (e.g. nested password / token / secret / api_key keys inside a JSON template structure) to be bypassed when the rendered field exceeded [core] max_templated_field_length: Airflow stringified the structure before redaction, losing the nested key context, and persisted the plaintext value into rendered_fields. An authenticated UI/API user with permission to read rendered template fields could harvest secret values intended to be masked. Affects deployments where Dag authors pass structured JSON to operators with nested sensitive keys. This is a variant of CWE-200 previously addressed for the user-registered mask_secret() patterns in CVE-2025-68438; that fix did not cover the nested sensitive-keyword allowlist. Users who already upgraded for CVE-2025-68438 should additionally upgrade to apache-airflow 3.2.2 or later to cover the nested-key path.

CVSS v3
6.5
EG Score
6.5(medium)
EG Risk
—
EPSS
25.9%
KEV
Not listed

Published

June 1, 2026

Last Modified

July 21, 2026

Advisory Details (2)

Auto-updated Jun 12, 2026
Upstream fix merged — awaiting tagged release. Sources: github_pr.
generic
https://lists.apache.org/thread/obj79bpxnl7r5olz1gsn0g94y88glnl4
github_pr

Redact rendered template fields while still structured to preserve nested-key masking on truncation

Fix merged in apache/airflow PR #65906 on 2026-05-18 — awaiting tagged release

https://github.com/apache/airflow/pull/65906

Vendor Advisories for CVE-2026-42360(1)

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

Affected Packages

(1 across 1 ecosystem)
PyPI(1)
PackageVulnerable rangeFixed inDependents
apache-airflow1.10.0 ... 3.2.2rc3 (289 versions)3.2.2—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 7× in last 7d / 42× 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. 2026-07-22 14:08 UTCEPSS rescore
  2. 2026-07-21 15:24 UTCEPSS rescore
  3. 2026-07-20 17:08 UTCEPSS rescore
  4. 2026-07-19 14:31 UTCEPSS rescore
  5. 2026-07-19 02:29 UTCEPSS rescore
  6. 2026-07-18 10:04 UTCEPSS rescore
  7. 2026-07-16 17:03 UTCEPSS rescore
  8. 2026-07-15 16:57 UTCEPSS rescore
  9. 2026-07-15 02:00 UTCEPSS rescore
  10. 2026-07-13 22:30 UTCEPSS rescore
  11. 2026-07-13 06:13 UTCEPSS rescore
  12. 2026-07-12 05:46 UTCEPSS rescore
  13. 2026-07-11 08:27 UTCEPSS rescore
  14. 2026-07-09 19:10 UTCEPSS rescore
  15. 2026-07-08 17:06 UTCGHSA enrichment
  16. 2026-07-08 15:15 UTCEPSS rescore
  17. 2026-07-07 13:46 UTCEPSS rescore
  18. 2026-07-06 16:27 UTCEPSS rescore
  19. 2026-07-06 16:27 UTCEPSS rescore
  20. 2026-07-06 02:23 UTCEPSS rescore
  21. 2026-07-06 02:23 UTCEPSS rescore
  22. 2026-07-05 02:30 UTCEPSS rescore
  23. 2026-07-04 06:31 UTCEPSS rescore
  24. 2026-07-03 00:27 UTCGHSA enrichment
  25. 2026-07-02 02:31 UTCGHSA enrichment
Show 67 more
  1. 2026-07-01 15:06 UTCEPSS rescore
  2. 2026-07-01 00:49 UTCGHSA enrichment
  3. 2026-06-30 23:22 UTCEPSS rescore
  4. 2026-06-29 14:01 UTCGHSA enrichment
  5. 2026-06-28 16:07 UTCGHSA enrichment
  6. 2026-06-28 14:07 UTCEPSS rescore
  7. 2026-06-28 04:56 UTCEPSS rescore
  8. 2026-06-27 18:10 UTCGHSA enrichment
  9. 2026-06-27 03:08 UTCEPSS rescore
  10. 2026-06-26 20:15 UTCGHSA enrichment
  11. 2026-06-25 22:22 UTCGHSA enrichment
  12. 2026-06-25 13:49 UTCEPSS rescore
  13. 2026-06-25 13:49 UTCEPSS rescore
  14. 2026-06-25 00:22 UTCGHSA enrichment
  15. 2026-06-24 14:05 UTCEPSS rescore
  16. 2026-06-24 02:15 UTCGHSA enrichment
  17. 2026-06-23 21:33 UTCEPSS rescore
  18. 2026-06-22 14:25 UTCEPSS rescore
  19. 2026-06-22 14:25 UTCEPSS rescore
  20. 2026-06-21 14:56 UTCEPSS rescore
  21. 2026-06-21 14:56 UTCEPSS rescore
  22. 2026-06-21 01:59 UTCEPSS rescore
  23. 2026-06-19 19:25 UTCEPSS rescore
  24. 2026-06-18 17:52 UTCEPSS rescore
  25. 2026-06-18 17:52 UTCEPSS rescore
  26. 2026-06-18 03:00 UTCGHSA enrichment
  27. 2026-06-17 17:53 UTCEPSS rescore
  28. 2026-06-17 05:06 UTCGHSA enrichment
  29. 2026-06-16 17:52 UTCEPSS rescore
  30. 2026-06-16 07:12 UTCGHSA enrichment
  31. 2026-06-15 17:49 UTCEPSS rescore
  32. 2026-06-15 09:19 UTCGHSA enrichment
  33. 2026-06-14 10:30 UTCGHSA enrichment
  34. 2026-06-13 23:00 UTCEPSS rescore
  35. 2026-06-13 12:36 UTCGHSA enrichment
  36. 2026-06-12 23:12 UTCEPSS rescore
  37. 2026-06-12 23:12 UTCEPSS rescore
  38. 2026-06-12 14:41 UTCGHSA enrichment
  39. 2026-06-11 16:47 UTCGHSA enrichment
  40. 2026-06-11 14:00 UTCEPSS rescore
  41. 2026-06-10 22:18 UTCEPSS rescore
  42. 2026-06-10 18:54 UTCGHSA enrichment
  43. 2026-06-10 13:22 UTCEPSS rescore
  44. 2026-06-10 13:22 UTCEPSS rescore
  45. 2026-06-09 21:00 UTCGHSA enrichment
  46. 2026-06-08 23:07 UTCGHSA enrichment
  47. 2026-06-08 14:17 UTCEPSS rescore
  48. 2026-06-08 14:17 UTCEPSS rescore
  49. 2026-06-08 01:13 UTCGHSA enrichment
  50. 2026-06-07 15:25 UTCEPSS rescore
  51. 2026-06-07 15:25 UTCEPSS rescore
  52. 2026-06-07 03:20 UTCGHSA enrichment
  53. 2026-06-06 13:47 UTCEPSS rescore
  54. 2026-06-06 13:47 UTCEPSS rescore
  55. 2026-06-06 05:26 UTCGHSA enrichment
  56. 2026-06-05 22:47 UTCEPSS rescore
  57. 2026-06-05 07:33 UTCGHSA enrichment
  58. 2026-06-05 06:10 UTCEPSS rescore
  59. 2026-06-05 06:10 UTCEPSS rescore
  60. 2026-06-04 13:12 UTCEPSS rescore
  61. 2026-06-04 13:12 UTCEPSS rescore
  62. 2026-06-04 09:39 UTCEG score recompute▲ 6.50
  63. 2026-06-04 09:39 UTCGHSA enrichment
  64. 2026-06-02 20:13 UTCEPSS rescore
  65. 2026-06-01 13:52 UTCEPSS rescore
  66. 2026-06-01 13:52 UTCEPSS rescore
  67. 2026-06-01 09:09 UTCEG score recompute

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-42360?
CVE-2026-42360 is a medium vulnerability published on June 1, 2026. A bug in Apache Airflow's rendered-template field handling caused nested sensitive-key masking (e.g. nested password / token / secret / apikey keys inside a JSON template structure) to be bypassed when the rendered field exceeded [core] maxtemplatedfieldlength: Airflow stringified the structure…
When was CVE-2026-42360 disclosed?
CVE-2026-42360 was first published in the National Vulnerability Database on June 1, 2026, with the most recent update on July 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-42360 actively exploited?
CVE-2026-42360 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 25.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-42360?
CVE-2026-42360 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-42360?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-42360, 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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