CVE-2025-71376

HIGHPre-NVD 8.18.1—
EchelonGraph scoreMEDIUM 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
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%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 0.0.29 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(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
0%
EPSS %ILE
36%
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 19× in last 7d / 102× 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 207 total refreshes for this CVE.

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

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 0% probability of exploitation in the next 30 days, which ranks it in the top 64.1% of all scored CVEs.
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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