CVE-2025-71364

HIGHPre-NVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-07-04. a secondary CVSS source baseline 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 8.1Exploit: Elevated riskExposed: 0

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

picklescan before 0.0.30 fails to detect the asyncio.unix_events._UnixSubprocessTransport._start function in pickle reduce methods, allowing remote code execution. Attackers can craft malicious pickle files embedding this built-in function that evade detection but execute arbitrary commands when loaded.

CVSS v3
8.1
EG Score
8.1(medium)
EG Risk
52(Track*)
EG Risk 52/100SSVC: 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
Severity81% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
1%
EPSS %ILE
55%
KEV
Not listed

Published

July 4, 2026

Last Modified

July 7, 2026

Advisory Details (2)

Auto-updated Jul 4, 2026
🔬 Proof of concept available. Patch available. Sources: github.
generic

picklescan - Arbitrary Code Execution via Undetected asyncio.unix_events._UnixSubprocessTransport._start | Advisories | VulnCheck

https://www.vulncheck.com/advisories/picklescan-arbitrary-code-execution-via-undetected-asyncio-unix-events-unixsubprocesstransport-start
github Patch Available🟡 PoC Available

Missing detection when calling built-in python library asyncio.unix_events._UnixSubprocessTransport._start · Advisory · mmaitre314/picklescan · GitHub

https://github.com/mmaitre314/picklescan/security/advisories/GHSA-q77w-mwjj-7mqx

Vendor Advisories for CVE-2025-71364(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
picklescan0.0.1 ... 0.0.9 (29 versions)0.0.30—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 25× in last 7d / 109× 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 180 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2025-71364?
CVE-2025-71364 is a high vulnerability published on July 4, 2026. picklescan before 0.0.30 fails to detect the asyncio.unixevents.UnixSubprocessTransport._start function in pickle reduce methods, allowing remote code execution. Attackers can craft malicious pickle files embedding this built-in function that evade detection but execute arbitrary commands when…
When was CVE-2025-71364 disclosed?
CVE-2025-71364 was first published in the National Vulnerability Database on July 4, 2026, with the most recent update on July 7, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-71364 actively exploited?
CVE-2025-71364 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 45.2% of all scored CVEs.
What is the CVSS score of CVE-2025-71364?
CVE-2025-71364 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2025-71364?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-71364, 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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