A deserialization vulnerability exists in the way parso through 0.4.0 handles grammar parsing from the cache. Cache loading relies on pickle and, provided that an evil pickle can be written to a cache grammar file and that its parsing can be triggered, this flaw leads to Arbitrary Code Execution. NOTE: This is disputed because "the cache directory is not under control of the attacker in any common configuration.
Advisories
Source ID Title
Github GHSA Github GHSA GHSA-22mf-97vh-x8rw Deserialization vulnerability exists in parso
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Sat, 21 Feb 2026 08:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T23:32:54.763Z

Reserved: 2019-06-06T00:00:00.000Z

Link: CVE-2019-12760

cve-icon Vulnrichment

Updated: 2024-08-04T23:32:54.763Z

cve-icon NVD

Status : Modified

Published: 2019-06-06T19:29:00.500

Modified: 2024-11-21T04:23:31.013

Link: CVE-2019-12760

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses