CVE-2025-71325
CVE-2025-71325 · picklescan - Detection Bypass via STACK_GLOBAL Opcode Parsing Logic Flaw
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 9.3 · Critical · EPSS 0.6% · Fix available
- Published
- Updated
Stack: python
Affected products and versions
picklescan
- Versions
- ≥ 0, < 0.0.27: Affected (semver)
- 0.0.27: Not affected (semver)
Update to 0.0.27
picklescan PyPI
- Versions
- 0.0.1
- 0.0.10
- 0.0.11
- 0.0.12
- 0.0.13
- 0.0.14
- 0.0.15
- 0.0.16
- 0.0.17
- 0.0.18
- 0.0.19
- 0.0.2
- 0.0.20
- 0.0.21
- 0.0.22
- 0.0.23
- 0.0.24
- 0.0.25
- 0.0.26
- 0.0.3
- 0.0.4
- 0.0.5
- 0.0.6
- 0.0.7
- 0.0.8
- 0.0.9
- Affected ranges
- ECOSYSTEM: < 0.0.27
Update to 0.0.27
Original sources
- https://github.com/mmaitre314/picklescan/security/advisories/GHSA-9gvj-pp9x-gcfr
- https://github.com/mmaitre314/picklescan/commit/2a8383cfeb4158567f9770d86597300c9e508d0f
- https://www.vulncheck.com/advisories/picklescan-detection-bypass-via-stack-global-opcode-parsing-logic-flaw
- https://nvd.nist.gov/vuln/detail/CVE-2025-71325