CVE-2025-71378
picklescan - Remote Code Execution via Undetected cProfile.runctx in Pickle Files
Description
picklescan before 0.0.30 fails to detect cProfile.runctx function calls in pickle file reduce methods, allowing attackers to execute arbitrary code. Malicious pickle files bypass picklescan detection and execute remote code when loaded via pickle.load().
INFO
Published Date :
June 21, 2026, 2:16 p.m.
Last Modified :
June 26, 2026, 2:12 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 3.1 | HIGH | MITRE-CVE | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | HIGH | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Update picklescan to version 0.0.30 or later.
- Avoid loading untrusted pickle files.
- Sanitize input before pickling data.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-71378.
| URL | Resource |
|---|---|
| https://github.com/mmaitre314/picklescan/security/advisories/GHSA-9w88-8rmg-7g2p | Exploit Vendor Advisory |
| https://www.vulncheck.com/advisories/picklescan-remote-code-execution-via-undetected-cprofile-runctx-in-pickle-files | Third Party Advisory |
| https://github.com/mmaitre314/picklescan/security/advisories/GHSA-9w88-8rmg-7g2p | Exploit Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-71378 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-71378
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-71378 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-71378 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jun. 26, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Added CPE Configuration OR *cpe:2.3:a:mmaitre314:picklescan:*:*:*:*:*:*:*:* versions up to (excluding) 0.0.30 Added Reference Type VulnCheck: https://github.com/mmaitre314/picklescan/security/advisories/GHSA-9w88-8rmg-7g2p Types: Exploit, Vendor Advisory Added Reference Type VulnCheck: https://www.vulncheck.com/advisories/picklescan-remote-code-execution-via-undetected-cprofile-runctx-in-pickle-files Types: Third Party Advisory Added Reference Type CISA-ADP: https://github.com/mmaitre314/picklescan/security/advisories/GHSA-9w88-8rmg-7g2p Types: Exploit, Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 23, 2026
Action Type Old Value New Value Added Reference https://github.com/mmaitre314/picklescan/security/advisories/GHSA-9w88-8rmg-7g2p Added SSVC {'id': 'CVE-2025-71378', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-06-23T02:45:43.134054Z'} -
New CVE Received by [email protected]
Jun. 21, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'picklescan', 'product': 'picklescan', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '0.0.30', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '0.0.30', 'versionType': 'semver'}], 'packageURL': 'pkg:pypi/picklescan', 'defaultStatus': 'unaffected'}] Added Description picklescan before 0.0.30 fails to detect cProfile.runctx function calls in pickle file reduce methods, allowing attackers to execute arbitrary code. Malicious pickle files bypass picklescan detection and execute remote code when loaded via pickle.load(). Added CVSS V4.0 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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N Added CWE CWE-502 Added Reference https://github.com/mmaitre314/picklescan/security/advisories/GHSA-9w88-8rmg-7g2p Added Reference https://www.vulncheck.com/advisories/picklescan-remote-code-execution-via-undetected-cprofile-runctx-in-pickle-files