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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().

PUBLISHED Reserved 2026-06-20 | Published 2026-06-24 | Updated 2026-06-24 | Assigner VulnCheck




HIGH: 7.6CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
HIGH: 8.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Problem types

Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')

Product status

Default status
unaffected

Any version before 0.0.29
affected

0.0.29 (semver)
unaffected

Credits

FredericDT reporter

References

github.com/...lescan/security/advisories/GHSA-8r4j-24qv-fmq9 exploit

github.com/...lescan/security/advisories/GHSA-8r4j-24qv-fmq9 (GitHub Security Advisory (GHSA-8r4j-24qv-fmq9)) vendor-advisory

www.vulncheck.com/...ected-idlelib-calltip-calltip-fetch-tip (VulnCheck Advisory: picklescan - Remote Code Execution via Undetected idlelib.calltip.Calltip.fetch_tip) third-party-advisory

cve.org (CVE-2025-71361)

nvd.nist.gov (CVE-2025-71361)

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