picklescan before 0.0.30 fails to detect cProfile.runctx function calls in pickle file reduce methods, allowing attackers to execute arbitrary code. Malicious pickle files bypass picklescan detection and execute remote code when loaded via pickle.load().
CVE-2025-71378
Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-06-21. NVD baseline CVSS 7.8; sources differ by 0.3.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.8
- 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 computedSeverity81% × 45%Exploitation40% × 40%Automatability0% × 15%Action: Watch closely — could escalate to Attend. - EPSS
- 26.2%
- KEV
- Not listed
Published
June 21, 2026
Last Modified
June 26, 2026
Advisory Details (2)
Auto-updated Jun 22, 2026picklescan - Remote Code Execution via Undetected cProfile.runctx in Pickle Files | Advisories | VulnCheck
https://www.vulncheck.com/advisories/picklescan-remote-code-execution-via-undetected-cprofile-runctx-in-pickle-filesMissing detection when calling built-in python cProfile.runctx · Advisory · mmaitre314/picklescan · GitHub
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-9w88-8rmg-7g2pVendor Advisories for CVE-2025-71378(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)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| picklescan | 0.0.1 ... 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 12× in last 7d / 92× 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.
- 2026-07-23 03:03 UTCEG score recompute
- 2026-07-22 14:08 UTCEPSS rescore
- 2026-07-20 17:08 UTCEPSS rescore
- 2026-07-19 14:30 UTCEPSS rescore
- 2026-07-19 14:30 UTCEPSS rescore
- 2026-07-19 02:28 UTCEPSS rescore
- 2026-07-19 02:28 UTCEPSS rescore
- 2026-07-18 10:04 UTCEPSS rescore
- 2026-07-18 10:04 UTCEPSS rescore
- 2026-07-16 20:22 UTCGHSA enrichment
- 2026-07-16 17:02 UTCEPSS rescore
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- 2026-07-16 07:15 UTCGHSA enrichment
- 2026-07-15 19:24 UTCGHSA enrichment
- 2026-07-15 16:57 UTCEPSS rescore
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- 2026-07-15 07:54 UTCGHSA enrichment
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- 2026-07-14 20:24 UTCGHSA enrichment
- 2026-07-14 08:54 UTCGHSA enrichment
- 2026-07-13 20:26 UTCGHSA enrichment
- 2026-07-13 08:56 UTCGHSA enrichment
- 2026-07-13 06:12 UTCEPSS rescore
- 2026-07-12 21:26 UTCGHSA enrichment
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- 2026-07-12 09:15 UTCGHSA enrichment
- 2026-07-12 05:46 UTCEPSS rescore
- 2026-07-12 05:46 UTCEPSS rescore
- 2026-07-11 21:44 UTCGHSA enrichment
- 2026-07-11 10:13 UTCGHSA enrichment
- 2026-07-11 08:27 UTCEPSS rescore
- 2026-07-11 08:27 UTCEPSS rescore
- 2026-07-10 22:43 UTCGHSA enrichment
- 2026-07-10 11:04 UTCGHSA enrichment
- 2026-07-09 23:20 UTCGHSA enrichment
- 2026-07-09 19:10 UTCEPSS rescore
- 2026-07-09 11:49 UTCGHSA enrichment
- 2026-07-09 00:19 UTCGHSA enrichment
- 2026-07-08 15:15 UTCEPSS rescore
- 2026-07-08 12:49 UTCGHSA enrichment
- 2026-07-08 00:05 UTCGHSA enrichment
- 2026-07-07 13:46 UTCEPSS rescore
- 2026-07-07 12:35 UTCGHSA enrichment
- 2026-07-07 01:04 UTCGHSA enrichment
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 13:33 UTCGHSA enrichment
- 2026-07-06 02:23 UTCEPSS rescore
- 2026-07-06 01:23 UTCGHSA enrichment
- 2026-07-05 13:53 UTCGHSA enrichment
- 2026-07-05 02:30 UTCEPSS rescore
- 2026-07-05 02:30 UTCEPSS rescore
- 2026-07-05 02:23 UTCGHSA enrichment
- 2026-07-04 14:54 UTCGHSA enrichment
- 2026-07-04 06:31 UTCEPSS rescore
- 2026-07-04 06:31 UTCEPSS rescore
- 2026-07-04 03:23 UTCGHSA enrichment
- 2026-07-03 15:49 UTCGHSA enrichment
- 2026-07-03 04:18 UTCGHSA enrichment
- 2026-07-02 16:48 UTCGHSA enrichment
- 2026-07-02 05:17 UTCGHSA enrichment
- 2026-07-01 17:47 UTCGHSA enrichment
- 2026-07-01 15:06 UTCEPSS rescore
- 2026-07-01 06:15 UTCGHSA enrichment
- 2026-06-30 23:22 UTCEPSS rescore
- 2026-06-30 23:22 UTCEPSS rescore
- 2026-06-30 18:45 UTCGHSA enrichment
- 2026-06-30 07:15 UTCGHSA enrichment
- 2026-06-29 19:45 UTCGHSA enrichment
- 2026-06-29 08:15 UTCGHSA enrichment
- 2026-06-28 20:45 UTCGHSA enrichment
- 2026-06-28 14:07 UTCEPSS rescore
- 2026-06-28 14:07 UTCEPSS rescore
- 2026-06-28 09:15 UTCGHSA enrichment
- 2026-06-28 04:56 UTCEPSS rescore
- 2026-06-28 04:56 UTCEPSS rescore
- 2026-06-27 21:44 UTCGHSA enrichment
- 2026-06-27 10:14 UTCGHSA enrichment
- 2026-06-27 03:08 UTCEPSS rescore
- 2026-06-26 22:43 UTCGHSA enrichment
- 2026-06-26 15:40 UTCNVD updateCVSS v3 → 7.8
- 2026-06-26 11:09 UTCGHSA enrichment
- 2026-06-25 23:34 UTCGHSA enrichment
- 2026-06-25 13:49 UTCEPSS rescore
- 2026-06-25 13:49 UTCEPSS rescore
- 2026-06-25 12:04 UTCGHSA enrichment
- 2026-06-25 00:34 UTCGHSA enrichment
- 2026-06-24 14:05 UTCEPSS rescore
- 2026-06-24 14:04 UTCEPSS rescore
- 2026-06-24 13:05 UTCGHSA enrichment
- 2026-06-24 01:32 UTCGHSA enrichment
- 2026-06-23 21:32 UTCEPSS rescore
- 2026-06-23 14:02 UTCGHSA enrichment
- 2026-06-23 02:13 UTCGHSA enrichment
- 2026-06-22 19:38 UTCNVD updateCVSS v4 → 7.6
- 2026-06-22 14:42 UTCGHSA enrichment
- 2026-06-22 03:11 UTCGHSA enrichment
- 2026-06-21 15:39 UTCEG score recompute
- 2026-06-21 15:39 UTCGHSA enrichment
Frequently asked(5)
What is CVE-2025-71378?
When was CVE-2025-71378 disclosed?
Is CVE-2025-71378 actively exploited?
What is the CVSS score of CVE-2025-71378?
How do I remediate CVE-2025-71378?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-71378
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