CVE-2025-71361

HIGHPre-NVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.1 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.4% (35th percentile of EPSS-scored CVEs). GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 8.1Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

picklescan before 0.0.29 fails to detect malicious idlelib.calltip.Calltip.fetch_tip calls in pickle files, allowing remote code execution. Attackers can embed undetected payloads in pickle files that execute arbitrary code when loaded via pickle.load().

CVSS v3
8.1
EG Score
8.1HIGHmedium confidence
EG Risk
41
EG Risk 41/100CISA SSVC

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%
Exploitation0% × 40%
Automatability30% × 15%
CISA SSVC: Track at low or medium mission impact; Track or Attend at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
0.4%
EPSS %ILE
35th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track or Attend at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 26, 2025

Last Modified

October 5, 2026

Advisory Details (2)

Auto-updated Jun 24, 2026
🔬 Proof of concept available. Patch available. Sources: github.
githubMentions a patch (unverified)🟡 PoC Available

Missing detection when calling built-in python idlelib.calltip.Calltip · Advisory · mmaitre314/picklescan · GitHub

https://github.com/mmaitre314/picklescan/security/advisories/GHSA-8r4j-24qv-fmq9
generic

picklescan - Remote Code Execution via Undetected idlelib.calltip.Calltip.fetch_tip | Advisories | VulnCheck

https://www.vulncheck.com/advisories/picklescan-remote-code-execution-via-undetected-idlelib-calltip-calltip-fetch-tip

Vendor Advisories for CVE-2025-71361(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 rangeFix by version rangeDependents
picklescan0.0.1 ... 0.0.9 (28 versions)
  • every version up to 0.0.29: fixed in 0.0.29
—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 7× in last 7d / 27× 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 121 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2025-71361?
CVE-2025-71361 is a high vulnerability published on August 26, 2025. picklescan before 0.0.29 fails to detect malicious idlelib.calltip.Calltip.fetch_tip calls in pickle files, allowing remote code execution. Attackers can embed undetected payloads in pickle files that execute arbitrary code when loaded via pickle.load().
When was CVE-2025-71361 disclosed?
CVE-2025-71361 was first published on August 26, 2025, with the most recent update on October 5, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-71361 actively exploited?
CVE-2025-71361 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (35th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2025-71361?
CVE-2025-71361 has a CVSS base score of 8.1 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2025-71361?
A fix for CVE-2025-71361 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2025-71361 are linked in the Vendor Advisories panel on this page.

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