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Vulnerabilities

Security fix · GHSA-mq7r-vm99-p7vx

Duplicate Advisory : Picklescan is missing detection when calling built-in python idlelib.pyshell.ModifiedInterpreter.runcode

Published Jun 26, 2026 · catalog updated Nov 3, 2026 · Duplicate Advisory : Picklescan

Last checked Nov 4, 2026. A connected source was read within the last 7 days.

Open the advisory

Exploitation likelihood is not on this record for GHSA-mq7r-vm99-p7vx. A missing EPSS score is not a low risk. Compare Duplicate Advisory : Picklescan with the linked advisory before you change production.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Duplicate Advisory : Picklescan).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
  • EPSS is missing. A missing score is not a low risk.
Severity
High8.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
Awaiting synchronization with FIRST
Remediation
Advisory link
Affected products
PyPI picklescan

### Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-3gf5-cxq9-w223. This link is maintained to preserve external references. ### Original Description picklescan through 0.0.26 fails to detect malicious pickle files that invoke idlelib.pyshell.ModifiedInterpreter.runcode in __reduce__ methods. Attackers can embed undetected code in pickle files that executes arbitrary commands when the file is loaded via pickle.load(), enabling supply chain attacks on PyTorch models and saved Python objects. This is fixed in version 0.0.30.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • PyPI picklescan0 → 0.0.30

How to fix GHSA-mq7r-vm99-p7vx

  • Upgrade

    GHSA-mq7r-vm99-p7vx lists a fix boundary at 0.0.30. Compare the installed build with that boundary before you change production.

  • Version check

    Fixed in 0.0.30

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

Exploitation likelihood is not on this record for GHSA-mq7r-vm99-p7vx. A missing EPSS score is not a low risk. Compare Duplicate Advisory : Picklescan with the linked advisory before you change production.

Which versions are affected?

Compare what you have installed with 0 → 0.0.30. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-502: Deserialization of Untrusted Data. EPSS is not on this record yet. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 26, 2026 · PyPA Advisory Database

    Detected

    ### Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-3gf5-cxq9-w223. This link is maintained to preserve external references. ### Original Description picklescan through 0.0.26 fails to detect malicious pickle files that invoke idlelib.pyshell.ModifiedInterpreter.runcode in __reduce__ methods. Attackers can embed undetected code in pickle files that executes ar

  2. Nov 3, 2026 · PyPA Advisory Database

    Withdrawn

    The advisory was withdrawn.

  3. Nov 3, 2026 · PyPA Advisory Database

    Fix available

    picklescan fixed in 0.0.30

  4. Nov 3, 2026 · PyPA Advisory Database

    Updated

    ### Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-3gf5-cxq9-w223. This link is maintained to preserve external references. ### Original Description picklescan through 0.0.26 fails to detect malicious pickle files that invoke idlelib.pyshell.ModifiedInterpreter.runcode in __reduce__ methods. Attackers can embed undetected code in pickle files that executes ar

Sources

  • PyPA Advisory DatabasePackage advisoryGHSA-mq7r-vm99-p7vx

    Duplicate Advisory : Picklescan is missing detection when calling built-in python idlelib.pyshell.ModifiedInterpreter.runcode

    osv.dev

References

Freshness

Last verified in this catalog Nov 3, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • PyPA Advisory DatabaseNov 4, 2026