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)
- 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
- 29.0%
- KEV
- Not listed
Published
July 4, 2026
Last Modified
July 7, 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.
Affected Packages
(1 across 1 ecosystem)
PyPI(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| picklescan | 0.0.1 ... 0.0.9 (33 versions) | 0.0.34 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 13× in last 7d / 54× 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
- 2026-07-21 15:24 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 18:18 UTCGHSA enrichment
- 2026-07-16 17:02 UTCEPSS rescore
- 2026-07-16 17:02 UTCEPSS rescore
- 2026-07-16 05:36 UTCGHSA enrichment
- 2026-07-15 16:57 UTCEPSS rescore
- 2026-07-15 16:57 UTCEPSS rescore
- 2026-07-15 16:55 UTCGHSA enrichment
- 2026-07-15 04:13 UTCGHSA enrichment
- 2026-07-15 02:00 UTCEPSS rescore
- 2026-07-15 01:59 UTCEPSS rescore
- 2026-07-14 15:32 UTCGHSA enrichment
- 2026-07-14 02:50 UTCGHSA enrichment
- 2026-07-13 14:09 UTCGHSA enrichment
- 2026-07-13 06:12 UTCEPSS rescore
- 2026-07-13 01:26 UTCGHSA enrichment
Show 29 moreShow fewer
- 2026-07-12 12:45 UTCGHSA enrichment
- 2026-07-12 05:46 UTCEPSS rescore
- 2026-07-12 05:46 UTCEPSS rescore
- 2026-07-12 00:03 UTCGHSA enrichment
- 2026-07-11 11:22 UTCGHSA enrichment
- 2026-07-11 08:27 UTCEPSS rescore
- 2026-07-11 08:27 UTCEPSS rescore
- 2026-07-10 22:40 UTCGHSA enrichment
- 2026-07-10 09:59 UTCGHSA enrichment
- 2026-07-09 21:18 UTCGHSA enrichment
- 2026-07-09 19:10 UTCEPSS rescore
- 2026-07-09 08:37 UTCGHSA enrichment
- 2026-07-08 19:56 UTCGHSA enrichment
- 2026-07-08 15:15 UTCEPSS rescore
- 2026-07-08 07:15 UTCGHSA enrichment
- 2026-07-07 18:31 UTCGHSA enrichment
- 2026-07-07 13:46 UTCEPSS rescore
- 2026-07-07 05:50 UTCGHSA enrichment
- 2026-07-06 17:09 UTCGHSA enrichment
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 04:28 UTCGHSA enrichment
- 2026-07-06 02:23 UTCEPSS rescore
- 2026-07-05 15:47 UTCGHSA enrichment
- 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 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-2025-71375?
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
See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-71375
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