CVE-2025-71325

picklescan before 0.0.27 contains a parsing logic error in the _list_globals function when handling STACK_GLOBAL opcodes, failing to track arguments in the correct range and allowing malicious pickle files to bypass detection. Attackers can craft pickle files with arguments at position zero to trigger unexpected exceptions and evade security scanning.

Scoring

Severity
CRITICAL
CVSS base score
9.8
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS probability
0.47%
CWE
CWE-391
Published
2026-06-17
Last modified
2026-06-20

Affected products

Weakness type

Related vulnerabilities

Markdown version · Browse all CVEs