github.com
https://github.com/mmaitre314/picklescan CVE-2025-71325
CRITICAL
picklescan - Detection Bypass via STACK_GLOBAL Opcode Parsing Logic Flaw
Record summary
CVE-2025-71325 has a selected CVSS score of 9.3 (critical).
Description
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.
Description source: CVE List
Exploitation context
CISA SSVC decision
ExploitationPoC
AutomatableYes
Technical impactTotal
CISA Coordinator · SSVC 2.0.3 · Evaluated Jun 17, 2026 · Source: CVE List
Affected products and versions
2| Product | Source | Version range | Status |
|---|---|---|---|
picklescanBrowse picklescan / picklescanDefault status: unaffected | CVE List | Before 0.0.27 | affected |
| 0.0.27 | unaffected | ||
picklescanBrowse PyPI / picklescan | GitHub Advisory | Before 0.0.27 · Fixed in 0.0.27 | affected |
References
8github.com
https://github.com/mmaitre314/picklescan/blob/2a8383cfeb4158567f9770d86597300c9e508d0f/src/picklescan/scanner.py github.compatch
https://github.com/mmaitre314/picklescan/commit/2a8383cfeb4158567f9770d86597300c9e508d0f github.com
https://github.com/mmaitre314/picklescan/commit/58983e1c20973ac42f2df7ff15d7c8cd32f9b688 github.com
https://github.com/mmaitre314/picklescan/releases/tag/v0.0.27 GHSA Advisory GHSA-9gvj-pp9x-gcfrVendor advisory
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-9gvj-pp9x-gcfr nvd.nist.gov
https://nvd.nist.gov/vuln/detail/CVE-2025-71325 VulnCheck Advisory: picklescan - Detection Bypass via STACK_GLOBAL Opcode Parsing Logic FlawThird-party advisory
https://www.vulncheck.com/advisories/picklescan-detection-bypass-via-stack-global-opcode-parsing-logic-flaw