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CVE-2025-71360 picklescan CVE debrief

CVE-2025-71360 is a high-severity vulnerability in the picklescan library before version 0.0.29. The vulnerability allows attackers to embed undetected code in pickle files that executes remote commands when loaded by victims. This is due to the library's failure to detect malicious pickle files using the idlelib.calltip.get_entity function in reduce methods. The vulnerability has a CVSS score of 7.6 and is classified as HIGH. The CVE record was published on 2026-07-04T02:16:22.327Z and has not been modified since.

Vendor
picklescan
Product
Unknown
CVSS
HIGH 7.6
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-04
Original CVE updated
2026-07-04
Advisory published
2026-07-04
Advisory updated
2026-07-04

Who should care

Developers and users of the picklescan library before version 0.0.29 should be aware of this vulnerability and take necessary actions to mitigate it. This includes updating to the latest version of the library and being cautious when loading pickle files from untrusted sources. Additionally, users of applications that utilize the picklescan library should also be aware of this vulnerability and take necessary precautions.

Technical summary

The picklescan library before version 0.0.29 is vulnerable to remote code execution due to its failure to detect malicious pickle files. The vulnerability is caused by the library's use of the idlelib.calltip.get_entity function in reduce methods, which allows attackers to embed undetected code in pickle files. This code can be executed when the pickle file is loaded by a victim. The vulnerability has a CVSS score of 7.6 and is classified as HIGH.

Defensive priority

High priority should be given to updating the picklescan library to version 0.0.29 or later. Additionally, users should be cautious when loading pickle files from untrusted sources and consider implementing additional security measures to mitigate this vulnerability.

Recommended defensive actions

  • Update the picklescan library to version 0.0.29 or later.
  • Be cautious when loading pickle files from untrusted sources.
  • Implement additional security measures to mitigate this vulnerability, such as validating the contents of pickle files before loading them.
  • Monitor for suspicious activity related to pickle files.
  • Consider implementing compensating controls, such as restricting access to pickle files or implementing additional authentication and authorization mechanisms.

Evidence notes

The CVE record for CVE-2025-71360 was published on 2026-07-04T02:16:22.327Z and has not been modified since. The vulnerability has a CVSS score of 7.6 and is classified as HIGH. The vulnerability is caused by the picklescan library's failure to detect malicious pickle files using the idlelib.calltip.get_entity function in reduce methods.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-71360 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-71360

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2025-71360 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-71360

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.