picklescan before 0.0.30 fails to detect the asyncio.unix_events._UnixSubprocessTransport._start function in pickle reduce methods, allowing remote code execution. Attackers can craft malicious pickle files embedding this built-in function that evade detection but execute arbitrary commands when loaded.
CVE-2025-71364
Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-07-04. a secondary CVSS source baseline 8.1; sources differ by 0.0.
- 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
- 8.1
- EG Score
- 8.1(high)
- EPSS
- 42.3%
- KEV
- Not listed
Published
July 4, 2026
Last Modified
July 6, 2026
Advisory Details (2)
Auto-updated Jul 4, 2026picklescan - Arbitrary Code Execution via Undetected asyncio.unix_events._UnixSubprocessTransport._start | Advisories | VulnCheck
https://www.vulncheck.com/advisories/picklescan-arbitrary-code-execution-via-undetected-asyncio-unix-events-unixsubprocesstransport-startMissing detection when calling built-in python library asyncio.unix_events._UnixSubprocessTransport._start · Advisory · mmaitre314/picklescan · GitHub
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-q77w-mwjj-7mqxVendor Advisories for CVE-2025-71364(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 16× in last 7d / 16× 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.
- 2026-07-06 17:09 UTCEG score recompute
- 2026-07-06 17:09 UTCGHSA enrichment
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 04:28 UTCEG score recompute
- 2026-07-06 04:28 UTCGHSA enrichment
- 2026-07-06 02:23 UTCEPSS rescore
- 2026-07-05 15:47 UTCEG score recompute
- 2026-07-05 15:47 UTCGHSA enrichment
- 2026-07-05 03:06 UTCEG score recompute
- 2026-07-05 03:06 UTCGHSA enrichment
- 2026-07-05 02:30 UTCEPSS rescore
- 2026-07-05 02:30 UTCEPSS rescore
- 2026-07-04 14:24 UTCEG score recompute
- 2026-07-04 14:24 UTCGHSA enrichment
- 2026-07-04 01:42 UTCEG score recompute
- 2026-07-04 01:41 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Same CWE
10 shownCWE-502
- CVE-2017-20208EG 9.8CRITICAL
- CVE-2017-20207EG 9.8CRITICAL
- CVE-2017-20206EG 9.8CRITICAL
- CVE-2017-20189EG 9.8CRITICAL
- CVE-2017-10992EG 9.8EPSS 95%CRITICAL
- CVE-2013-4521EG 9.8EPSS 90%CRITICAL
- CVE-2014-1860EG 9.8CRITICAL
- CVE-2016-1000027EG 9.8EPSS 98%CRITICAL
- CVE-2014-3699EG 9.8CRITICAL
- CVE-2017-18605EG 9.8CRITICAL
Frequently asked(5)
What is CVE-2025-71364?
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Dependency Blast Radius
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