CVE-2025-71375

picklescan - Undetected Remote Code Execution via _operator.methodcaller

CVSS 7.6 HIGHCWE-502

Vexday Risk Score

18Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.6EPSS —KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

04 Jul 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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().

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Affected products

picklescan · picklescan

References

https://github.com/mmaitre314/picklescan/security/advisories/GHSA-955r-x9j8-7rhh https://www.vulncheck.com/advisories/picklescan-undetected-remote-code-execution-via-operator-methodcaller