GHSA-w8v5-vhqr-4h9v

DiskCache has unsafe pickle deserialization

Source: GitHub Advisory Database (reviewed) Moderate CVE-2025-69872

Packages

Ecosystem	Package	Affected	Fixed in
PyPI	diskcache	<= 5.6.3	no fix listed

Details

As written in the advisory (Markdown source, shown as plain text).

DiskCache (python-diskcache) through 5.6.3 uses Python pickle for serialization by default. An attacker with write access to the cache directory can achieve arbitrary code execution when a victim application reads from the cache.

References

External links from the advisory. They lead to third-party sites.

https://nvd.nist.gov/vuln/detail/CVE-2025-69872 advisory
https://github.com/EthanKim88/ethan-cve-disclosures/blob/main/CVE-2025-69872-DiskCache-Pickle-Deserialization.md web
https://github.com/grantjenks/python-diskcache package