VulnerabilityDeferred

CVE-2025-71371

picklescan before 0.0.29 fails to detect malicious pickle files using code.InteractiveInterpreter.runcode in reduce methods.

HIGH 7.6EPSS 0.54%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.54%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

picklescan before 0.0.29 fails to detect malicious pickle files using code.InteractiveInterpreter.runcode in reduce methods. Attackers can craft pickle payloads that bypass picklescan detection and execute arbitrary code when loaded via pickle.load().

CVSS 4.0: 7.6 HIGHCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.54% probability · 44th percentile
CISA KEV: Not listed
Weakness: CWE-502
Source: disclosure@vulncheck.com

References

https://github.com/mmaitre314/picklescan/security/advisories/GHSA-cj3c-v495-4xqh
https://www.vulncheck.com/advisories/picklescan-remote-code-execution-via-code-interactiveinterpreter-detection-bypass
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-cj3c-v495-4xqh

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.