CVE-2025-71376

HIGHPre-NVD 8.18.1—
EchelonGraph scoreHIGH confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-06-23. 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
8.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.1Exploit: NoneExposed: 0

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

picklescan before 0.0.29 fails to detect malicious pickle files using idlelib.autocomplete.AutoComplete.fetch_completions in reduce methods. Attackers can embed undetected code in pickle files that executes arbitrary commands when loaded by victims.

CVSS v3
8.1
EG Score
8.1(high)
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
22.2%
KEV
Not listed

Published

June 23, 2026

Last Modified

June 23, 2026

Advisory Details (2)

Auto-updated Jun 23, 2026
🔬 Proof of concept available. Patch available. Sources: github.
generic

picklescan - Arbitrary Code Execution via Undetected idlelib.autocomplete.AutoComplete.fetch_completions | Advisories | VulnCheck

https://www.vulncheck.com/advisories/picklescan-arbitrary-code-execution-via-undetected-idlelib-autocomplete-autocomplete-fetch-completions
github Patch Available🟡 PoC Available

Missing detection when calling built-in python idlelib.autocomplete.AutoComplete.fetch_completions · Advisory · mmaitre314/picklescan · GitHub

https://github.com/mmaitre314/picklescan/security/advisories/GHSA-7cq8-mj8x-j263

Vendor Advisories for CVE-2025-71376(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 (28 versions)0.0.29—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 14× in last 7d / 91× 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. 2026-07-23 03:03 UTCEG score recompute
  2. 2026-07-22 14:08 UTCEPSS rescore
  3. 2026-07-21 15:24 UTCEPSS rescore
  4. 2026-07-20 17:08 UTCEPSS rescore
  5. 2026-07-19 14:30 UTCEPSS rescore
  6. 2026-07-19 14:30 UTCEPSS rescore
  7. 2026-07-19 02:28 UTCEPSS rescore
  8. 2026-07-19 02:28 UTCEPSS rescore
  9. 2026-07-18 10:04 UTCEPSS rescore
  10. 2026-07-18 10:04 UTCEPSS rescore
  11. 2026-07-16 21:47 UTCGHSA enrichment
  12. 2026-07-16 17:02 UTCEPSS rescore
  13. 2026-07-16 17:02 UTCEPSS rescore
  14. 2026-07-16 09:23 UTCGHSA enrichment
  15. 2026-07-15 20:58 UTCGHSA enrichment
  16. 2026-07-15 16:57 UTCEPSS rescore
  17. 2026-07-15 16:57 UTCEPSS rescore
  18. 2026-07-15 08:33 UTCGHSA enrichment
  19. 2026-07-15 02:00 UTCEPSS rescore
  20. 2026-07-15 01:59 UTCEPSS rescore
  21. 2026-07-14 20:08 UTCGHSA enrichment
  22. 2026-07-14 07:37 UTCGHSA enrichment
  23. 2026-07-13 19:11 UTCGHSA enrichment
  24. 2026-07-13 06:46 UTCGHSA enrichment
  25. 2026-07-13 06:12 UTCEPSS rescore
Show 66 more
  1. 2026-07-12 17:37 UTCGHSA enrichment
  2. 2026-07-12 05:46 UTCEPSS rescore
  3. 2026-07-12 05:46 UTCEPSS rescore
  4. 2026-07-12 05:10 UTCGHSA enrichment
  5. 2026-07-11 16:44 UTCGHSA enrichment
  6. 2026-07-11 08:27 UTCEPSS rescore
  7. 2026-07-11 08:27 UTCEPSS rescore
  8. 2026-07-11 04:19 UTCGHSA enrichment
  9. 2026-07-10 15:49 UTCGHSA enrichment
  10. 2026-07-10 02:51 UTCGHSA enrichment
  11. 2026-07-09 19:10 UTCEPSS rescore
  12. 2026-07-09 14:10 UTCGHSA enrichment
  13. 2026-07-09 01:45 UTCGHSA enrichment
  14. 2026-07-08 15:15 UTCEPSS rescore
  15. 2026-07-08 13:20 UTCGHSA enrichment
  16. 2026-07-08 00:54 UTCGHSA enrichment
  17. 2026-07-07 13:46 UTCEPSS rescore
  18. 2026-07-07 12:30 UTCGHSA enrichment
  19. 2026-07-06 23:55 UTCGHSA enrichment
  20. 2026-07-06 16:27 UTCEPSS rescore
  21. 2026-07-06 11:23 UTCGHSA enrichment
  22. 2026-07-06 02:23 UTCEPSS rescore
  23. 2026-07-05 22:46 UTCGHSA enrichment
  24. 2026-07-05 10:18 UTCGHSA enrichment
  25. 2026-07-05 02:30 UTCEPSS rescore
  26. 2026-07-05 02:30 UTCEPSS rescore
  27. 2026-07-04 21:53 UTCGHSA enrichment
  28. 2026-07-04 09:28 UTCGHSA enrichment
  29. 2026-07-04 06:31 UTCEPSS rescore
  30. 2026-07-04 06:31 UTCEPSS rescore
  31. 2026-07-03 21:04 UTCGHSA enrichment
  32. 2026-07-03 08:38 UTCGHSA enrichment
  33. 2026-07-02 20:13 UTCGHSA enrichment
  34. 2026-07-02 07:46 UTCGHSA enrichment
  35. 2026-07-01 19:22 UTCGHSA enrichment
  36. 2026-07-01 15:06 UTCEPSS rescore
  37. 2026-07-01 06:57 UTCGHSA enrichment
  38. 2026-06-30 23:22 UTCEPSS rescore
  39. 2026-06-30 23:22 UTCEPSS rescore
  40. 2026-06-30 18:32 UTCGHSA enrichment
  41. 2026-06-30 06:07 UTCGHSA enrichment
  42. 2026-06-29 17:42 UTCGHSA enrichment
  43. 2026-06-29 14:06 UTCEPSS rescore
  44. 2026-06-29 14:06 UTCEPSS rescore
  45. 2026-06-29 05:16 UTCGHSA enrichment
  46. 2026-06-28 16:51 UTCGHSA enrichment
  47. 2026-06-28 14:07 UTCEPSS rescore
  48. 2026-06-28 14:07 UTCEPSS rescore
  49. 2026-06-28 04:56 UTCEPSS rescore
  50. 2026-06-28 04:56 UTCEPSS rescore
  51. 2026-06-28 04:26 UTCGHSA enrichment
  52. 2026-06-27 16:01 UTCGHSA enrichment
  53. 2026-06-27 03:36 UTCGHSA enrichment
  54. 2026-06-27 03:08 UTCEPSS rescore
  55. 2026-06-26 15:10 UTCGHSA enrichment
  56. 2026-06-26 02:46 UTCGHSA enrichment
  57. 2026-06-25 14:21 UTCGHSA enrichment
  58. 2026-06-25 13:49 UTCEPSS rescore
  59. 2026-06-25 13:49 UTCEPSS rescore
  60. 2026-06-25 01:56 UTCGHSA enrichment
  61. 2026-06-24 14:05 UTCEPSS rescore
  62. 2026-06-24 14:04 UTCEPSS rescore
  63. 2026-06-24 13:31 UTCGHSA enrichment
  64. 2026-06-24 01:06 UTCGHSA enrichment
  65. 2026-06-23 12:42 UTCEG score recompute
  66. 2026-06-23 12:40 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2025-71376?
CVE-2025-71376 is a high vulnerability published on June 23, 2026. picklescan before 0.0.29 fails to detect malicious pickle files using idlelib.autocomplete.AutoComplete.fetch_completions in reduce methods. Attackers can embed undetected code in pickle files that executes arbitrary commands when loaded by victims.
When was CVE-2025-71376 disclosed?
CVE-2025-71376 was first published in the National Vulnerability Database on June 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-71376 actively exploited?
CVE-2025-71376 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 22.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-71376?
CVE-2025-71376 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2025-71376?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-71376, 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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