CVE-2025-71361
CVE-2025-71361 is a high-severity vulnerability 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-95.
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-2025-210328
- Weakness: CWE-95
- Published:
- Last modified:
Description
picklescan before 0.0.29 fails to detect malicious idlelib.calltip.Calltip.fetch_tip calls in pickle files, allowing remote code execution. Attackers can embed undetected payloads in pickle files that execute arbitrary code when loaded via pickle.load().
Frequently asked questions
- What is CVE-2025-71361?
- picklescan before 0.0.29 fails to detect malicious idlelib.calltip.Calltip.fetch_tip calls in pickle files, allowing remote code execution. Attackers can embed undetected payloads in pickle files that execute arbitrary code when loaded via pickle.load().
- How severe is CVE-2025-71361?
- CVE-2025-71361 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-2025-71361 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.
- How do I fix CVE-2025-71361?
- 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-2025-71361 have an EU (EUVD) identifier?
- Yes. CVE-2025-71361 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-210328.
- When was CVE-2025-71361 published?
- CVE-2025-71361 was published on 2026-06-24 and last updated on 2026-06-25.
References
- https://github.com/mmaitre314/picklescan/security/advisories/GHSA-8r4j-24qv-fmq9
- https://www.vulncheck.com/advisories/picklescan-remote-code-execution-via-undetected-idlelib-calltip-calltip-fetch-tip
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