CVE-2025-71378: picklescan before 0.0.30 fails to detect cProfile.runctx function calls in pickle file reduce methods, allowin
CVE-2025-71378 is a high-severity flaw (CVSS 8.1) affecting picklescan. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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().
Why this priority
- High severity
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.1 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.5% (top 59%) |
| CISA exploited list | No |
| Weakness | CWE-502 |
| Published | 2026-06-21 |
| Last modified | 2026-10-12 |
Last updated 2026-10-12 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-71378?
picklescan: upgrade to 0.0.30. Exact commands for each OS are on this page.
Is CVE-2025-71378 being exploited?
CVE-2025-71378 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-71378 affect?
CVE-2025-71378 affects picklescan. Severity is high (CVSS 8.1). 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
How urgent is CVE-2025-71378?
Priority 44/100. High severity; Public exploit reference
Related CVEs
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- CVE-2025-71357 HIGH 8.1 UPGRADE picklescan before 0.0.30 fails to detect malicious pickle files using idlelib.pyshell.ModifiedInterpreter.runc
- CVE-2026-56304 MEDIUM 6.5 UPGRADE picklescan before 1.0.1 contains an unsafe pickle deserialization vulnerability allowing unauthenticated attac