picklescan before 0.0.34 fails to detect the _operator.methodcaller built-in function when scanning pickle files for malicious code. Attackers can craft malicious pickle payloads using _operator.methodcaller that evade detection and execute arbitrary code when loaded by pickle.load().
CVE-2025-71375
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
- 28.5%
- KEV
- Not listed
Published
July 4, 2026
Last Modified
July 6, 2026
Advisory Details (2)
Auto-updated Jul 4, 2026picklescan - Undetected Remote Code Execution via _operator.methodcaller | Advisories | VulnCheck
https://www.vulncheck.com/advisories/picklescan-undetected-remote-code-execution-via-operator-methodcallerMissing detection when calling built-in python _operator.methodcaller · Advisory · mmaitre314/picklescan · GitHub
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-955r-x9j8-7rhhVendor Advisories for CVE-2025-71375(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 18× in last 7d / 18× 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.
- 2026-07-07 05:51 UTCEG score recompute
- 2026-07-07 05:50 UTCGHSA enrichment
- 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
Frequently asked(5)
What is CVE-2025-71375?
When was CVE-2025-71375 disclosed?
Is CVE-2025-71375 actively exploited?
What is the CVSS score of CVE-2025-71375?
How do I remediate CVE-2025-71375?
Dependency Blast Radius
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