How severe is CVE-2025-71378?

CVE-2025-71378 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2025-71378 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-71378?

CVE-2025-71378 affects Mmaitre314 Picklescan. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-71378?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-71378 have an EU (EUVD) identifier?

Yes. CVE-2025-71378 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-210294.

When was CVE-2025-71378 published?

CVE-2025-71378 was published on 2026-06-21 and last updated on 2026-06-26.

CVE-2025-71378

CVE-2025-71378 is a high-severity vulnerability in Mmaitre314 Picklescan with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-502.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v4: 7.6
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-210294
Weakness: CWE-502
Affected product: Mmaitre314 Picklescan
Published: 2026-06-21
Last modified: 2026-06-26

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().

Frequently asked questions

What is CVE-2025-71378?: 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().
How severe is CVE-2025-71378?: CVE-2025-71378 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2025-71378 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-71378?: CVE-2025-71378 affects Mmaitre314 Picklescan. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-71378?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-71378 have an EU (EUVD) identifier?: Yes. CVE-2025-71378 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-210294.
When was CVE-2025-71378 published?: CVE-2025-71378 was published on 2026-06-21 and last updated on 2026-06-26.

References

Affected products (1)

cpe:2.3:a:mmaitre314:picklescan:*:*:*:*:*:*:*:*

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