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)
EPSS
21.8%
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.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 35× in last 7d / 74× 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. 2026-07-06 23:55 UTCEG score recompute
  2. 2026-07-06 23:55 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 11:24 UTCEG score recompute
  5. 2026-07-06 11:23 UTCGHSA enrichment
  6. 2026-07-06 02:23 UTCEPSS rescore
  7. 2026-07-05 22:46 UTCEG score recompute
  8. 2026-07-05 22:46 UTCGHSA enrichment
  9. 2026-07-05 10:18 UTCEG score recompute
  10. 2026-07-05 10:18 UTCGHSA enrichment
  11. 2026-07-05 02:30 UTCEPSS rescore
  12. 2026-07-05 02:30 UTCEPSS rescore
  13. 2026-07-04 21:53 UTCEG score recompute
  14. 2026-07-04 21:53 UTCGHSA enrichment
  15. 2026-07-04 09:29 UTCEG score recompute
  16. 2026-07-04 09:28 UTCGHSA enrichment
  17. 2026-07-04 06:31 UTCEPSS rescore
  18. 2026-07-04 06:31 UTCEPSS rescore
  19. 2026-07-03 21:04 UTCEG score recompute
  20. 2026-07-03 21:04 UTCGHSA enrichment
  21. 2026-07-03 08:38 UTCEG score recompute
  22. 2026-07-03 08:38 UTCGHSA enrichment
  23. 2026-07-02 20:13 UTCEG score recompute
  24. 2026-07-02 20:13 UTCGHSA enrichment
  25. 2026-07-02 07:46 UTCEG score recompute
Show 49 more
  1. 2026-07-02 07:46 UTCGHSA enrichment
  2. 2026-07-01 19:22 UTCEG score recompute
  3. 2026-07-01 19:22 UTCGHSA enrichment
  4. 2026-07-01 15:06 UTCEPSS rescore
  5. 2026-07-01 06:57 UTCEG score recompute
  6. 2026-07-01 06:57 UTCGHSA enrichment
  7. 2026-06-30 23:22 UTCEPSS rescore
  8. 2026-06-30 23:22 UTCEPSS rescore
  9. 2026-06-30 18:32 UTCEG score recompute
  10. 2026-06-30 18:32 UTCGHSA enrichment
  11. 2026-06-30 06:07 UTCEG score recompute
  12. 2026-06-30 06:07 UTCGHSA enrichment
  13. 2026-06-29 17:42 UTCEG score recompute
  14. 2026-06-29 17:42 UTCGHSA enrichment
  15. 2026-06-29 14:06 UTCEPSS rescore
  16. 2026-06-29 14:06 UTCEPSS rescore
  17. 2026-06-29 05:17 UTCEG score recompute
  18. 2026-06-29 05:16 UTCGHSA enrichment
  19. 2026-06-28 16:51 UTCEG score recompute
  20. 2026-06-28 16:51 UTCGHSA enrichment
  21. 2026-06-28 14:07 UTCEPSS rescore
  22. 2026-06-28 14:07 UTCEPSS rescore
  23. 2026-06-28 04:56 UTCEPSS rescore
  24. 2026-06-28 04:56 UTCEPSS rescore
  25. 2026-06-28 04:26 UTCEG score recompute
  26. 2026-06-28 04:26 UTCGHSA enrichment
  27. 2026-06-27 16:01 UTCEG score recompute
  28. 2026-06-27 16:01 UTCGHSA enrichment
  29. 2026-06-27 03:36 UTCEG score recompute
  30. 2026-06-27 03:36 UTCGHSA enrichment
  31. 2026-06-27 03:08 UTCEPSS rescore
  32. 2026-06-26 15:11 UTCEG score recompute
  33. 2026-06-26 15:10 UTCGHSA enrichment
  34. 2026-06-26 02:46 UTCEG score recompute
  35. 2026-06-26 02:46 UTCGHSA enrichment
  36. 2026-06-25 14:21 UTCEG score recompute
  37. 2026-06-25 14:21 UTCGHSA enrichment
  38. 2026-06-25 13:49 UTCEPSS rescore
  39. 2026-06-25 13:49 UTCEPSS rescore
  40. 2026-06-25 01:56 UTCEG score recompute
  41. 2026-06-25 01:56 UTCGHSA enrichment
  42. 2026-06-24 14:05 UTCEPSS rescore
  43. 2026-06-24 14:04 UTCEPSS rescore
  44. 2026-06-24 13:31 UTCEG score recompute
  45. 2026-06-24 13:31 UTCGHSA enrichment
  46. 2026-06-24 01:06 UTCEG score recompute
  47. 2026-06-24 01:06 UTCGHSA enrichment
  48. 2026-06-23 12:42 UTCEG score recompute
  49. 2026-06-23 12:40 UTCMITRE cvelistV5first tracked

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 21.8% 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

Explore the affected products and dependency analysis for CVE-2025-71376

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