picklescan before 0.0.33 fails to detect operator.methodcaller function calls in pickle files, allowing attackers to bypass security checks. Remote attackers can craft malicious pickle payloads using operator.methodcaller that execute arbitrary code when loaded, compromising systems relying on picklescan for validation.
CVE-2025-71373
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
- 35.6%
- KEV
- Not listed
Published
July 4, 2026
Last Modified
July 6, 2026
Advisory Details (2)
Auto-updated Jul 4, 2026picklescan - Remote Code Execution via operator.methodcaller Detection Bypass | Advisories | VulnCheck
https://www.vulncheck.com/advisories/picklescan-remote-code-execution-via-operator-methodcaller-detection-bypassMissing detection when calling built-in python operator.methodcaller · Advisory · mmaitre314/picklescan · GitHub
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-x843-g5mx-g377Vendor Advisories for CVE-2025-71373(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 02:34 UTCEG score recompute
- 2026-07-07 02:34 UTCGHSA enrichment
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 14:26 UTCEG score recompute
- 2026-07-06 14:26 UTCGHSA enrichment
- 2026-07-06 02:23 UTCEPSS rescore
- 2026-07-06 02:16 UTCEG score recompute
- 2026-07-06 02:16 UTCGHSA enrichment
- 2026-07-05 14:07 UTCEG score recompute
- 2026-07-05 14:07 UTCGHSA enrichment
- 2026-07-05 02:30 UTCEPSS rescore
- 2026-07-05 02:30 UTCEPSS rescore
- 2026-07-05 01:58 UTCEG score recompute
- 2026-07-05 01:58 UTCGHSA enrichment
- 2026-07-04 13:50 UTCEG score recompute
- 2026-07-04 13:50 UTCGHSA enrichment
- 2026-07-04 01:42 UTCEG score recompute
- 2026-07-04 01:41 UTCMITRE cvelistV5first tracked
Frequently asked(5)
What is CVE-2025-71373?
When was CVE-2025-71373 disclosed?
Is CVE-2025-71373 actively exploited?
What is the CVSS score of CVE-2025-71373?
How do I remediate CVE-2025-71373?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2025-71373
Is Your Infrastructure Affected by CVE-2025-71373?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.